International Tables for Crystallography

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DDL2 dictionary
J. D. Westbrook and S. R. Hall. International Tables for Crystallography (2005). Vol. G, ch. 4.10, pp. 473-478  [ doi:10.1107/97809553602060000750 ]

Abstract

This is version 2.1.3 of the dictionary definition language (DDL2). It provides a machine-readable description of the attributes of data items in the mmCIF and related dictionaries. This version of DDL is described in Chapter 2.6.


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About International Tables for Crystallography

International Tables for Crystallography is the definitive resource and reference work for crystallography. The multi-volume series comprises articles and tables of data relevant to crystallographic research and to applications of crystallographic methods in all sciences concerned with the structure and properties of materials.