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\bibitem{ndb:1}
H.~M. Berman, W.~K. Olson, D.~L. Beveridge, J.~D. Westbrook, A.~Gelben,
  T.~Demeny, S.~Hsieh, A.~R. Srinivasan, and B.~Schneider.
\newblock {Nucleic Acid Database: A comprehensive Relational Database of
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\newblock {\em Biophys. J.}, 63:751, 1992.

\bibitem{ndb:3}
Helen~M. Berman, Anke Gelbin, Lester Clowney, Shu-Hsin Hsieh, Christine
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\newblock {The Nucleic Acid Database: Present and Future}.
\newblock {\em J. Res. Natl. Inst. Stand. Tech.}, 101:243, 1996.

\bibitem{hall:2}
S.~R. Hall, F.~H. Allen, and I.~D. Brown.
\newblock A new standard archive file for crystallography.
\newblock {\em Acta Crystallogr.}, A47:655--685, 1991.

\bibitem{mmcifwg:1}
P.~M.~D. Fitzgerald, H.~M. Berman, P.~E. Bourne, and K.~Watenpaugh.
\newblock {\em {Macromolecular CIF Working Group}}.
\newblock International Union of Crystallography, 1992.

\bibitem{mmcif:2}
P.~Fitzgerald, H.~M. Berman, P.~Bourne, B.~McMahon, K.~Watenpaugh, and J.~D.
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\newblock {\em The Macromolecular Crystallographic Information File
  Dictionary}.
\newblock {IUCr}, http://ndbserver.rutgers.edu/mmcif, 1995.

\bibitem{mmcif:3}
Philip~E. Bourne, Helen~M. Berman, Brian McMahon, Keith~D. Watenpaugh, John
  Westbrook, and Paula M.~D. Fitzgerald.
\newblock {The Macromolecular Crystallographic Information File (mmCIF)}.
\newblock {\em Methods in Enzymology}, 1995.
\newblock submitted.

\bibitem{hall:1}
S.~R. Hall.
\newblock The {STAR} {File}: {A} new format for electronic data transfer and
  lsarchiving.
\newblock {\em J. Chem. Inf. Comput. Sci.}, 31:326--333, 1991.

\bibitem{mmcif:1}
P.~M.~D. Fitzgerald, H.~M. Berman, P.~E. Bourne, and K.~Watenpaugh.
\newblock {\em {The Macromolecular CIF Dictionary}}.
\newblock ACA Annual Meeting, Albuquerque, New Mexico, 1993.

\bibitem{cook:1}
A.~F.~P. Cook.
\newblock Dictionary definition language in star file format.
\newblock Technical report, ORAC Report, 1991.

\bibitem{hall:6}
S.~R. Hall and A.~F.~P. Cook.
\newblock Star dictionary definition language: Initial specification.
\newblock {\em J. Chem. Inf. Comput. Sci.}, 35:819--825, 1995.

\bibitem{ciflib:1}
H.~M. Berman and J.~D. Westbrook.
\newblock {Now the Nucleic Acid Database Uses CIF}.
\newblock In P.~E. Bourne, editor, {\em Proceedings fo the First Macromolecular
  CIF Tools Workshop}, page~65, Tarrytown, New York, 1993. National Science
  Foundation.

\bibitem{ciflib:2}
John~D. Westbrook, Shu-Hsin Hsieh, and P.~M.~D. Fitzgerald.
\newblock {CIFLIB, An Application Program Interface to CIF Dictionaries and
  Data Files}.
\newblock {\em J. Appl. Cryst.}, 1996.
\newblock in press.

\bibitem{ddl:1}
H.~M. Berman and J.~D. Westbrook.
\newblock {A Gentle Introduction to one Working Alternative DDL for
  Macromolecular Structure}.
\newblock In S.~D. Wodak, editor, {\em European Macromolecular Crystallographic
  Information (mmCIF) Workshop}, Free University of Brussels, 1994. European
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\bibitem{ddl:4}
J.~D. Westbrook and S.~R. Hall.
\newblock A dictionary description language for macromolecular structure.
\newblock {\em J. Chem. Inf. Comput. Sci.}, 1996.
\newblock to be submitted.

\bibitem{cifparse:1}
Shu-Hsin Hsieh and John~D. Westbrook.
\newblock {\em {CIFPARSE: A function library for mmCIF data exchange}}.
\newblock Rutgers University, 1996.
\newblock (http://ndbserver.rutgers.edu/software/CIFPARSE/).

\end{thebibliography}