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INFORMATIONAL

Network Working Group                                          R. Lasher
Request For Comments: 1807                                      Stanford
Obsoletes: 1357                                                 D. Cohen
Category: Informational                                          Myricom
                                                               June 1995


                   A Format for Bibliographic Records

Status of this Memo

   This memo provides information for the Internet community.  This memo
   does not specify an Internet standard of any kind.  Distribution of
   this memo is unlimited.

Abstract

   This RFC defines a format for bibliographic records describing
   technical reports.  This format is used by the Cornell University
   Dienst protocol and the Stanford University SIFT system.  The
   original RFC (RFC 1357) was written by D. Cohen, ISI, July 1992.
   This is a revision of RFC 1357.  New fields include handle,
   other_access, keyword, and withdraw.

Introduction

   Many universities and other R&D organizations routinely announce new
   technical reports by mailing (via the postal services) the
   bibliographic records of these reports.

   These mailings have non-trivial cost and delay.  In addition, their
   recipients cannot conveniently file them, electronically, for later
   retrieval and searches.

   Publishing organizations that wish to use e-mail or file transfer to
   obtain these announcements can do so by using the following format.

   Organizations may automate to any degree (or not at all) both the
   creation of these records (about their own publications) and the
   handling of the records received from other organizations.

   This format is designed to be simple, for people and for machines, to
   be easy to read ("human readable") and create without any special
   programs.

   This RFC defines the format of bibliographic records, not how to
   process them.




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RFC 1807           A Format for Bibliographic Records          June 1995


   This format is a "tagged" format with self-explaining alphabetic
   tags. It should be possible to prepare and to read bibliographic
   records using any text editor, without any special programs.

   This RFC includes the CR-CATEGORY, a field useful for Computer
   Science publications.  It is expected that similar fields will be
   added for other domains.

   This format, as described in RFC 1357, was implemented as part of the
   Dienst system and has been in use by the five ARPA-funded computer
   science institutions to exchange bibliographic records (Cornell, SU,
   UC, MIT, and CMU).  Programs have been written to map between this
   RFC and structured USMARC (format developed at the Library of
   Congress) cataloging records, also from USMARC to the RFC.

   The focus of this ARPA-funded research has been into many aspects of
   digital libraries including searching and accessing techniques that
   do not necessarily use bibliographic records (for example, natural
   language processing, automatic and full-text indexing).  However, the
   continued use of bibliographic records is expected to remain an
   important part of the library system environment of the future and
   its use is an important link between the physical world of scientific
   works and the on-line world of digital objects. The format described
   in this paper allows a link between these two worlds to be created.

   This format was developed with considerable help and involvement of
   Computer Science and Library personnel from several organizations,
   including Carnegie Mellon University, Corporation for National
   Research Initiatives (CNRI), Cornell University, University of
   Southern California/Information Sciences Institute (ISI), Meridian
   (now called DynCorp), Massachusetts Institute of Technology, Stanford
   University, and the University of California.  Key contributions were
   provided by Jerry Saltzer of MIT, and Larry Lannom of DynCorp.  The
   initial draft was prepared by Danny Cohen and Larry Miller of ISI.
   The revision was done by Rebecca Lasher from Stanford with assistance
   from the CS-TR participants.

   This RFC does not place any limitations on the dissemination of the
   bibliographic records.  If there are limitations on the dissemination
   of the publication, it should be protected by some means such as
   passwords.  This RFC does not address this protection.

   The use of this format is encouraged.  There are no limitations on
   its use.







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RFC 1807           A Format for Bibliographic Records          June 1995


The Information Fields

   The various fields should follow the format described below.

   <M> means Mandatory; a record without it is invalid.
   <O> means Optional.

   The tags (aka Field-IDs) are shown in upper case.

           <M>  BIB-VERSION of this bibliographic records format
           <M>  ID
           <M>  ENTRY date
           <O>  ORGANIZATION
           <O>  TITLE
           <O>  TYPE
           <O>  REVISION
           <O>  WITHDRAW
           <O>  AUTHOR
           <O>  CORP-AUTHOR
           <O>  CONTACT for the author(s)
           <O>  DATE of publication
           <O>  PAGES count
           <O>  COPYRIGHT, permissions and disclaimers
           <O>  HANDLE
           <O>  OTHER_ACCESS
           <O>  RETRIEVAL
           <O>  KEYWORD
           <O>  CR-CATEGORY
           <O>  PERIOD
           <O>  SERIES
           <O>  MONITORING organization(s)
           <O>  FUNDING organization(s)
           <O>  CONTRACT number(s)
           <O>  GRANT number(s)
           <O>  LANGUAGE name
           <O>  NOTES
           <O>  ABSTRACT
           <M>  END













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Meta Format

    * Keep It Simple.

    * One bibliographic record for each publication, where a
      "publication" is whatever the publishing institution
      defines as such.

   * A record contains several fields.

   * Each field starts with its tag (aka the field-ID) which is a
     reserved identifier (containing no separators) at the
     beginning of a new line with or without spaces before it),
     followed by two colons ("::"), followed by the field data.

   * Continuation lines:  Lines are limited to 79 characters.
     When needed, fields may continue over several lines, with an
     implied space in between.  In order to simplify the use no
     special marking is used to indicate continuation line.
     Hence, fields are terminated by a line that starts (apart
     from white space) with a word followed by two colons.  Except
     for the "END::" that is terminated by the end of line.)  For
     improved human readability it is suggested to start
     continuation lines with some spaces.

   * Several fields are mandatory and must appear in the record.
     All fields (unless specifically not permitted to) may be in
     any order and may be repeated as needed (e.g., the AUTHOR
     field).  The order of the repeated fields is always
     preserved.

   * Only printable ASCII characters are to be used.  The permissible
     characters are ASCII codes 040 (Space) through 176(~)
     and line breaks which are \012 (LF) or \012\015 (CRLF).
     Empty lines indicate paragraph break.  \009 (tab) must be
     replaced by spaces.  This specifically forbids tabs, null
     characters, DEL, backspaces, etc.  (i.e., if used, the record is
     invalid.)

     However full 8 bit ASCII may be used.  WARNING: some
     electronic mailers cannot handle 8 bit ASCII and these
     records may need to be transported via other mechanisms.

     Throughout this document the word "publisher" means the
     publishing organization of a report (e.g., a university or a
     department thereof), not necessarily an organization authorized
     to issue ISBN numbers.




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RFC 1807           A Format for Bibliographic Records          June 1995


                                EXAMPLE
-------------------------------------------------------------
 BIB-VERSION:: CS-TR-v2.1
          ID:: OUKS//CS-TR-91-123
       ENTRY:: January 15, 1992
ORGANIZATION:: Oceanview University, Kansas, Computer Science
        TYPE:: Technical Report
    REVISION:: January 5, 1995; FTP access information added
       TITLE:: Scientific Communication must be timely
      AUTHOR:: Finnegan, James A.
     CONTACT:: Prof. J. A. Finnegan, CS Dept, Oceanview Univ,
               Oceanview, KS 54321  Tel: 913-456-7890
               <Finnegan@cs.ouks.edu>
      AUTHOR:: Pooh, Winnie The
     CONTACT:: 100 Aker Wood
        DATE:: December 1991
       PAGES:: 48
   COPYRIGHT:: Copyright for the report (c) 1991, by J. A.
               Finnegan.  All rights reserved.  Permission is granted
               for any academic use of the report.
      HANDLE:: hdl:oceanview.electr/CS-TR-91-123
OTHER_ACCESS:: url:http://electr.oceanview.edu/CS-TR-91-123
OTHER_ACCESS:: url:ftp://electr.oceanview.edu/CS-TR-91-123
   RETRIEVAL:: send email to Finnegan@cs.ouks.edu with fax number
     KEYWORD:: Scientific Communication
 CR-CATEGORY:: D.0
 CR-CATEGORY:: C.2.2 Computer Sys Org, Communication nets, Net
               Protocols
      SERIES:: Communication
     FUNDING:: FAS
    CONTRACT:: FAS-91-C-1234
  MONITORING:: FNBO
    LANGUAGE:: English
       NOTES:: This report is the full version of the paper with
               the same title in IEEE Trans ASSP Dec 1976
ABSTRACT::

Many alchemists in the country work on important fusion problems.
All of them cooperate and interact with each other through the
scientific literature.  This scientific communication methodology
has many advantages.  Timeliness is not one of them.

END:: OUKS//CS-TR-91-123
---------------------------- End of Example -------------------

   For reference, the above example has about 1,689 characters (184
   words) including about 249 characters (36 words) in the abstract.




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RFC 1807           A Format for Bibliographic Records          June 1995


The Actual Format

   The term "Open Ended Format" in the following means arbitrary text.

   In the following double-quotes indicate complete strings.  They are
   included only for grouping and are not expected to be used in the
   actual records.

   The BIB-VERSION, ID, ENTRY, and END field must appear as the first,
   second, third, and last fields, and may not be repeated in the
   record.  All other fields may be repeated as needed.


BIB-VERSION (M) -- This is the first field of any record.  It is a
        mandatory field.  It identifies the version of the format
        used to create this bibliographic record.  This RFC defines
        BIB-Version TR-v2.1

        BIB-VERSIONs that start with the letter X (case
        independent) are considered experimental.  Bib-records
        sent with such a BIB-VERSION should NOT be incorporated
        in the permanent database of the recipient.

        Using this version of this format, this field is always:

        Format:   BIB-VERSION:: CS-TR-v2.1


ID (M) -- This is the second field of any record.  It is also a
        mandatory field.   The ID field identifies the bibliographic
        record and is used in management of these records.
        Its format is "ID:: XXX//YYY", where XXX is the
        publisher-ID (the controlled symbol of the publisher)
        and YYY is the ID (e.g., report number) of the
        publication as assigned by the publisher.  This ID is
        typically printed on the cover, and may contain slashes.

        The organization symbols "DUMMY" and "TEST" (case
        independent) are reserved for test records that should NOT
        be incorporated in the permanent database of the
        recipients.

        Format:   ID:: <publisher-ID>//<free-text>

                Example:  ID:: OUKS//CS-TR-91-123

            **** See the note at the end regarding the ****
            **** controlled symbols of the publishers *****



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RFC 1807           A Format for Bibliographic Records          June 1995


ENTRY (M) -- This is a mandatory field.  It is the date of
        creating this bibliographic record.

        The format for ENTRY date is "Month Day, Year".  The
        month must be alphabetic (spelled out).  The "Day" is a
        1- or 2-digit number.  The "Year" is a 4-digit number.

        Format:   ENTRY:: <date>

        Example:  ENTRY:: January 15, 1992


ORGANIZATION (O) --  It is the full name spelled out (no acronyms,
        please) of the publishing organization.  The use of this
        name is controlled together with the controlled symbol of
        the publisher (as discussed above for the ID field).

        Avoid acronyms because there are many common acronyms,
        such as ISI and USC.  Please provide it in ascending
        order, such as "X University, Y Department" (not "Y
        Department, X University").

        Format:   ORGANIZATION:: <free-text>
        Example:  ORGANIZATION:: Stanford University, Department of
                                 Computer Science


TITLE (O) -- This is the title of the work as assigned by the
        author. This field should include the complete title with
        all the subtitles, if any.

        Format:   TITLE:: <free-text>

        Example:  TITLE:: The Computerization of Oceanview with
                        High Speed Fiber Optics Communication


TYPE (O) -- Indicates the type of publication (summary, final
        project report, etc.) as assigned by the issuing
        organization.

        Format:   TYPE:: <free-text>

        Example:  TYPE:: Technical Report


REVISION (O) -- Indicates that the current bibliographic record is
        a revision of a previously issued record and is intended



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RFC 1807           A Format for Bibliographic Records          June 1995


        to replace it.  Revision information consists of a date
        and/or followed by a semicolon and by text in an open
        ended format. The revised bibliographic record should
        contain a complete record for the publication, not just a
        list of changes to the old record.  If revision is
        omitted, the record is assumed to be a new record and not
        a revision.  If the revision date is specified as 0, this
        is assumed to be January 1, 1900 (the previous RFC, used
        revision data of 0, 1, 2, 3, etc. this specification is for
        programs that might process records from RFC1357).

        The text before the semicolon in this field is a date of
        the form month day, year.  Any record with a more recent
        revision date replaces completely any record with an
        earlier revision date (supplied either explicitly or by
        default).  Use the text to describe the revision.
        Reasons to send out a revised record include an error in
        the original, or change in the access information.

        Format:  REVISION:: January 1, 1995; <free-text>

        Example: REVISION:: January 1, 1995; FTP information
                        added


WITHDRAW (O) Withdraw means the document is no longer
        available.  Some Institutions choose to delete the record
        others remove some of the fields.  It is up to each
        institution to decide how to process withdraw records.

        A withdraw record has all of the mandatory fields plus the
        withdraw field and a mandatory revision field.
        The Withdraw field should indicate the reason for the
        withdraw in free text.
        Example for withdrawing a bibliographic record::

            BIB-VERSION::  CS-TR-v2.1
            ID::           OUKS//CS-TR-91-123
            ENTRY::        January 21, 1995
            ORGANIZATION:: Oceanview University, Kansas, Computer
                           Science
            TITLE::        The Computerization of Oceanview with
                           High Speed Fiber Optics Communication
            REVISION::     January 21, 1995
            WITHDRAW::     Withdrawn, found to be irrelevant
            END::          OUKS//CS-TR-91-123





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RFC 1807           A Format for Bibliographic Records          June 1995


AUTHOR (O) -- Personal names only.  Normal last name first
        inversion.  Editors should be listed here as well,
        identified with the usual "(ed.)" as shown below in the last
        example.

        If the report was not authored by a person (e.g., it was
        authored by a committee or a panel) use CORP-AUTHOR (see
        below) instead of AUTHOR.

        Multiple authors are entered by using multiple lines, each
        in the form of "AUTHOR:: <free-text>".

        The system preserves the order of the authors.

        Format:   AUTHOR:: <free-text>

        Example:  AUTHOR:: Finnegan, James A.
                  AUTHOR:: Pooh, Winnie The
                  AUTHOR:: Lastname, Firstname (ed.)


CORP-AUTHOR (O) -- The corporate author (e.g., a committee or a
        panel) that authored the report, which may be different
        from the ORGANIZATION issuing the report.

        In entering the corporate name please omit initial "the"
        or "a".  If it is really part of the name, please invert it.

        Format:   CORP-AUTHOR:: <free-text>

        Example:  CORP-AUTHOR:: Committee on long-range computing


CONTACT (O) -- The contact for the author(s).
        Open-ended, most likely E-mail and postal addresses.

        A CONTACT field for each author should be provided,
        separately, or for all the AUTHOR fields.
        E-mail addresses should always be in "pointy brackets"
        (as in the example below).

        Format:   CONTACT:: <free-text>

        Example:  CONTACT:: Prof. J. A. Finnegan, CS Dept,
                           Oceanview Univ., Oceanview, Kansas, 54321
                           Tel: 913-456-7890 <Finnegan@cs.ouks.edu>





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RFC 1807           A Format for Bibliographic Records          June 1995


DATE (O) -- The publication date.  The formats are "Month Year"
        and "Month Day, Year".  The month must be alphabetic
        (spelled out).  The "Day" is a 1- or 2-digit number.  The
        "Year" is a 4- digit number.

        Format:   DATE:: <date>

        Example:  DATE:: January 1992
        Example:  DATE:: January 15, 1992


PAGES (O) -- Total number of pages, without being too picky about
        it.  Final numbered page is actually preferred, if it is a
        reasonable approximation to the total number of pages.

        Format:   PAGES:: <number>

        Example:  PAGES:: 48


COPYRIGHT (O) -- Copyright information.  Open ended format.  The
        COPYRIGHT field applies to the cited report, rather than
        to the current bibliographic record.

        Format:  COPYRIGHT:: <free-text>

        Example: COPYRIGHT:: Copyright for the report (c) 1991,
                            by J. A. Finnegan.  All rights
                            reserved.
                            Permission is granted for any academic
                            use of the report.


HANDLE (O) -- Handles are unique permanent identifiers that are
        used in the Handle Management System to retrieve location
        data.  A handle is a printable string which when given to
        a handle server returns the location of the data.

        Handles are used to identify digital objects stored within
        a digital library.  If the technical report is available in
        electronic form, the Handle MUST be supplied in the
        bibliographic record.

        Format is "HANDLE:: hdl:<naming authority>/string
        of characters".  The string of characters can be the
        report number of the technical report as assigned by the
        publisher.  For more information on handles and handle
        servers see the CNRI WEB page at



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RFC 1807           A Format for Bibliographic Records          June 1995


        http://www.cnri.reston.va.us.

  **** NOTE:  White space in HANDLE due to line wrap is ignored.

        Format:  HANDLE:: hdl:<naming authority>/string of
                          characters

        Example: HANDLE:: hdl:oceanview.electr/CS-TR-91-123


OTHER_ACCESS (O) -- For URLs, URNs, and other yet to be invented
       formatted retrieval systems.

        Only one URL or URN per occurrence of the field.

        URL and URN information is available in the internet
        drafts from the IETF (Internet Engineering Task Force).
        The most recent drafts can be found on the CNRI WEB page
        at http://www.cnri.reston.va.us.

**** NOTE: White space in a URL or URN due to line wrap is ignored.

        Format:  OTHER_ACCESS:: URL:<URL>
                 OTHER_ACCESS:: URN:<URN>

        Example: OTHER_ACCESS:: URL:http://elib.stanford.edu/Docume
        nt/STANFORD.CS:CS-TN-94-1

        Example: OTHER_ACCESS:: URL:ftp://JUPITER.CS.OUKS.EDU/PUBS/
        computerization.txt.

        When the URN standard is finalized naming authorities will
        be registered and URNs will be viable unique identifiers.
        Until then this is a place holder.  For the latest URN
        drafts see CNRI WEB page at http://www.cnri.reston.va.us.


RETRIEVAL (O) -- Open-ended format describing how to get
        a copy of the full text.  This is an optional, repeatable
        field.

        No limitations are placed on the dissemination of the
        bibliographic records.  If there are limitations on the
        dissemination of the publication, it should be protected
        by some means such as passwords.  This format does not
        address this protection.

        Format:  RETRIEVAL:: <free-text>



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RFC 1807           A Format for Bibliographic Records          June 1995


                 RETRIEVAL:: for full text with color pictures
                           send a self-addressed stamped envelope to
                           Prof. J.A.  Finnegan, CS Dept,
                           Oceanview University, Oceanview, KS 54321


KEYWORD (O) -- Specify any keywords, controlled or uncontrolled.
        This is an optional, repeatable field.  Multiple keywords
        are entered using multiple lines in the form of
        "KEYWORD::  <free-text>.

        Format:   KEYWORD:: <free-text>

        Example:  KEYWORD:: Scientific Communication
                  KEYWORD:: Communication Theory

CR-CATEGORY (O) -- Specify the CR-category.  The CR-category (the
        Computer Reviews Category) index (e.g., "B.3") should
        always be included, optionally followed by the name of that
        category.  If the name is specified it should be fully
        specified with parent levels as needed to clarify it, as in
        the second example below.  Use multiple lines for multiple
        categories.

        Every year, the January issue of CR has the full list
        of these categories, with a detailed discussion of the
        CR Classification System, and a full index.  Typically the
        full index appears in every January issue, and the top two
        levels in every issue.

        Format:   CR-CATEGORY:: <free-text>

        Example:  CR-CATEGORY:: D.1

        Example:  CR-CATEGORY:: B.3 Hardware, Memory Structures


PERIOD (O) -- Time period covered (date range).  Applicable
        primarily to progress reports, etc.  Any format is
        acceptable, as long as the two dates are separated with
        " to " (the word "to" surrounded by spaces) and each date
        is in the format allowed for dates, as described above for
        the date field.

        Format:   PERIOD:: <date> to <date>

        Example:  PERIOD:: January 1990 to March 1990




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SERIES (O) -- Series title, including volume number within series.
        Open-ended format, with producing institution strongly
        encouraged to be internally consistent.

        Format:   SERIES:: <free-text>

        Example:  SERIES:: Communication


FUNDING (O) -- The name(s) of the funding organization(s).

        Format:   FUNDING:: <free-text>

        Example:  FUNDING:: ARPA


MONITORING (O) -- The name(s) of the monitoring organization(s).

        Format:   MONITORING:: <free-text>
        Example:  MONITORING:: ONR


CONTRACT (O) -- The contract number(s).

        Format:   CONTRACT:: <free-text>

        Example:  CONTRACT:: MMA-90-23-456


GRANT (O) -- The grant number(s).

        Format:   GRANT:: <free-text>

        Example:  GRANT:: NASA-91-2345


LANGUAGE (O) -- The language in which the report is written.
        Please use the full English name of that language.

        Please include the Abstract in English, if possible.

        If the language is not specified, English is assumed.

        Format:   LANGUAGE:: <free-text>

        Example:  LANGUAGE:: English
        Example:  LANGUAGE:: French




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RFC 1807           A Format for Bibliographic Records          June 1995


NOTES (O) -- Miscellaneous free text.

        Format:   NOTES:: <free-text>

        Example:  NOTES:: This report is the full version of the
                        paper with the same title in IEEE Trans ASSP
                        Dec 1976


ABSTRACT (O) -- Highly recommended, but not mandatory.  Even
        though no limit is defined for its length, it is suggested
        not to expect applications to be able to handle more than
        10,000 characters.

        The ABSTRACT is expected to be used for subject searching
        since titles are not enough.  Even if the report is not in
        English, an English ABSTRACT is preferable.  If no formal
        abstract appears on document, the producers of the
        bibliographic records are encouraged to use pieces of the
        introduction, first paragraph, etc.

        Format:  ABSTRACT:: xxxx .............. xxxxxxxx
                            xxxx .............. xxxxxxxx

                            xxxx .............. xxxxxxxx
                            xxxx .............. xxxxxxxx

END (M) -- This is a mandatory field.  It must be the last entry
        of a record, identifying the record that it ends, by stating
        the same ID that was used at the beginning of the records,
        in its "ID::".

        Format:   END:: XXX//YYY

        Example:  END:: OUKS//CS-TR-91-123


             >>>>>>>   [END OF FORMAT DEFINITION]   <<<<<<<


A Note Regarding the Controlled Symbols of the Publishers

   In order to avoid conflicts among the symbols of the publishing
   organizations (the XXX part of the "ID:: XXX//YYY") it is suggested
   that the various organizations that publish reports (such as
   universities, departments, and laboratories) register their
   <publisher-ID> symbols and names, in a way similar to the
   registration of other key parameters and names in the Internet.



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RFC 1807           A Format for Bibliographic Records          June 1995


   Rebecca Lasher (RLASHER@Forsythe.stanford.edu), of Stanford working
   with CNRI has agreed to coordinate this registration with the IANA
   for the publishers of Computer Science technical reports.  It is
   suggested that before using this format the publishing organizations
   would coordinate with her (by e-mail) their symbols and the names of
   their organizations.

   In order to help automated handling of the received bibliographic
   records, it is expected that the producers of bibliographic records
   will always use the same name, exactly, in the ORGANIZATION field.

Security Considerations

   Security issues are not discussed in this memo.

Acknowledgements

   This work was supported by the Advanced Research Projects Agency
   under Grant No. MDA-972-92-J-1029 with the Corporation for National
   Research Initiatives (CNRI).   Its content does not necessarily
   reflect the position or the policy of the Government or CNRI, and no
   official endorsement should be inferred.

Authors' Addresses

   Rebecca Lasher
   Mathematical and Computer Sciences Library
   M.S. 2125
   Stanford University
   Stanford, CA, USA 94305

   Phone: +1 415 723 0864
   EMail: rlasher@forsythe.stanford.edu


   Danny Cohen
   Myricom
   325 N. Santa Anita Ave.
   Arcadia, CA 91006
   USA

   Phone: +1 818 821 5555
   EMail: Cohen@myri.com








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