International Tables for Crystallography
Volume G: Definition and exchange of crystallographic data

First online edition (2006)   ISBN: 978-1-4020-3138-0   eISBN: 978-1-4020-5411-2   doi: 10.1107/97809553602060000107

Edited by S. R. Hall and B. McMahon

Contents

• Preface  (p. xi) | html | pdf |
  S. R. Hall and B. McMahon

• Part 1. Historical introduction
  • 1.1. Genesis of the Crystallographic Information File  (pp. 2-10) | html | pdf | chapter contents |
    S. R. Hall and B. McMahon
    • 1.1.1. Prologue  (p. 2) | html | pdf |
    • 1.1.2. Past approaches to data exchange  (pp. 2-3) | html | pdf |
    • 1.1.3. Card-image formats  (p. 3) | html | pdf |
    • 1.1.4. The Standard Crystallographic File Structure (SCFS)  (p. 3) | html | pdf |
    • 1.1.5. The impact of networking on crystallography  (pp. 4-5) | html | pdf |
    • 1.1.6. The Working Party on Crystallographic Information (WPCI)  (p. 5) | html | pdf |
    • 1.1.7. The Crystallographic Information File  (pp. 6-7) | html | pdf |
    • 1.1.8. Diversification: the Molecular Information File and dictionary definition language  (p. 7) | html | pdf |
    • 1.1.9. The macromolecular Crystallographic Information File  (pp. 7-8) | html | pdf |
    • 1.1.10. The Crystallographic Binary File  (p. 8) | html | pdf |
    • 1.1.11. Other extension dictionaries  (pp. 8-9) | html | pdf |
    • 1.1.12. The broader context: CIF and XML  (p. 9) | html | pdf |
    • References | html | pdf |
    • Figures
      • Fig. 1.1.3.1. An abbreviated example of a PDB format file  (p. 3) | html | pdf |
      • Fig. 1.1.3.2. An example of a CSD BCCAB format file  (p. 4) | html | pdf |
      • Fig. 1.1.4.1. An abbreviated example of a Standard Crystallographic File Structure (SCFS) format file  (p. 4) | html | pdf |
      • Fig. 1.1.6.1. Example 1 of a CIF  (p. 5) | html | pdf |
      • Fig. 1.1.6.2. Example 2 of a CIF  (p. 6) | html | pdf |
      • Fig. 1.1.7.1. Initial set of data items considered to be essential in a structure report submitted to Acta Crystallographica Section C   (p. 6) | html | pdf |
      • Fig. 1.1.8.1. Informal DDL used in the initial version of the core CIF dictionary (now superseded by DDL1.4).  (p. 7) | html | pdf |

• Part 2. Concepts and specifications
  • 2.1. Specification of the STAR File  (pp. 13-19) | html | pdf | chapter contents |
    S. R. Hall and N. Spadaccini
    • 2.1.1. Introduction  (p. 13) | html | pdf |
    • 2.1.2. Universal data language concepts  (pp. 13-14) | html | pdf |
      • 2.1.2.1. Data models  (pp. 13-14) | html | pdf |
    • 2.1.3. The syntax of the STAR File  (pp. 14-16) | html | pdf |
      • 2.1.3.1. Text string  (p. 14) | html | pdf |
      • 2.1.3.2. Data name  (p. 15) | html | pdf |
      • 2.1.3.3. Data value  (p. 15) | html | pdf |
      • 2.1.3.4. Data item  (p. 15) | html | pdf |
      • 2.1.3.5. Data loop list  (p. 15) | html | pdf |
      • 2.1.3.6. Save frame  (p. 15) | html | pdf |
      • 2.1.3.7. Data block  (pp. 15-16) | html | pdf |
      • 2.1.3.8. Global block  (p. 16) | html | pdf |
      • 2.1.3.9. Data sets and scopes  (p. 16) | html | pdf |
      • 2.1.3.10. Privileged constructs  (p. 16) | html | pdf |
      • 2.1.3.11. Using stop_ in looped lists  (p. 16) | html | pdf |
    • Appendix 2.1.1. Backus–Naur form of the STAR syntax and grammar  (pp. 16-19) | html | pdf |
      • A2.1.1.1. Lexical tokens  (p. 17) | html | pdf |
      • A2.1.1.2. STAR grammar  (pp. 17-19) | html | pdf |
    • References | html | pdf |
    • Figures
      • Fig. 2.1.3.1. Nested scopes of STAR data sets  (p. 16) | html | pdf |
  • 2.2. Specification of the Crystallographic Information File (CIF)  (pp. 20-36) | html | pdf | chapter contents |
    S. R. Hall, J. D. Westbrook, N. Spadaccini, I. D. Brown, H. J. Bernstein and B. McMahon
    • 2.2.1. Introduction  (p. 20) | html | pdf |
      S. R. Hall and J. D. Westbrook
    • 2.2.2. Terminology  (pp. 20-21) | html | pdf |
      S. R. Hall and J. D. Westbrook
    • 2.2.3. The syntax of a CIF  (pp. 21-22) | html | pdf |
      S. R. Hall and J. D. Westbrook
    • 2.2.4. Portability and archival issues  (pp. 22-23) | html | pdf |
      S. R. Hall and J. D. Westbrook
      • 2.2.4.1. Character set  (p. 22) | html | pdf |
      • 2.2.4.2. Line terminators  (p. 22) | html | pdf |
      • 2.2.4.3. Line lengths  (p. 23) | html | pdf |
      • 2.2.4.4. Lengths of data names and block codes  (p. 23) | html | pdf |
      • 2.2.4.5. Case sensitivity  (p. 23) | html | pdf |
    • 2.2.5. Common semantic features  (pp. 23-24) | html | pdf |
      S. R. Hall and J. D. Westbrook
      • 2.2.5.1. Data-name semantics  (p. 23) | html | pdf |
      • 2.2.5.2. Data typing  (pp. 23-24) | html | pdf |
      • 2.2.5.3. Extended data typing: content type and encoding  (p. 24) | html | pdf |
    • 2.2.6. CIF metadata and dictionary compliance  (p. 25) | html | pdf |
      S. R. Hall and J. D. Westbrook
    • 2.2.7. Formal specification of the Crystallographic Information File. Version 1.1 specification  (pp. 25-36) | html | pdf |
      S. R. Hall, N. Spadaccini, I. D. Brown, H. J. Bernstein, J. D. Westbrook and B. McMahon
      • 2.2.7.1. Syntax  (pp. 25-29) | html | pdf |
        • 2.2.7.1.1. Introduction  (p. 25) | html | pdf |
        • 2.2.7.1.2. Definition of terms  (p. 25) | html | pdf |
        • 2.2.7.1.3. File syntax  (p. 25) | html | pdf |
        • 2.2.7.1.4. General features  (pp. 25-27) | html | pdf |
        • 2.2.7.1.5. Character set  (p. 27) | html | pdf |
        • 2.2.7.1.6. White space  (p. 27) | html | pdf |
        • 2.2.7.1.7. End-of-line conventions  (p. 27) | html | pdf |
        • 2.2.7.1.8. Case sensitivity  (p. 27) | html | pdf |
        • 2.2.7.1.9. Implementation restrictions  (p. 27) | html | pdf |
          • 2.2.7.1.9.1. Maximum line length and character set  (p. 27) | html | pdf |
          • 2.2.7.1.9.2. Maximum data-name, block-code and frame-code lengths  (p. 27) | html | pdf |
          • 2.2.7.1.9.3. Single-level loop constructs  (p. 27) | html | pdf |
          • 2.2.7.1.9.4. Non-expansion of save-frame references  (p. 27) | html | pdf |
          • 2.2.7.1.9.5. Exclusion of global_ blocks  (p. 27) | html | pdf |
        • 2.2.7.1.10. Version identification  (p. 29) | html | pdf |
      • 2.2.7.2. A formal grammar for CIF  (pp. 29-30) | html | pdf |
        • 2.2.7.2.1. Summary  (p. 29) | html | pdf |
        • 2.2.7.2.2. Explanation of the formal syntax  (pp. 29-30) | html | pdf |
      • 2.2.7.3. Lexical tokens  (pp. 30-32) | html | pdf |
        • 2.2.7.3.1. CIF grammar  (p. 32) | html | pdf |
      • 2.2.7.4. Common semantic features  (pp. 32-36) | html | pdf |
        • 2.2.7.4.1. Introduction  (p. 32) | html | pdf |
        • 2.2.7.4.2. Definition of terms  (p. 32) | html | pdf |
        • 2.2.7.4.3. Semantics of data items  (p. 32) | html | pdf |
        • 2.2.7.4.4. Data-name semantics  (pp. 32-33) | html | pdf |
        • 2.2.7.4.5. Name space  (p. 33) | html | pdf |
        • 2.2.7.4.6. Note on handling of units  (p. 33) | html | pdf |
        • 2.2.7.4.7. Data-value semantics  (pp. 33-34) | html | pdf |
          • 2.2.7.4.7.1. Data typing  (pp. 33-34) | html | pdf |
          • 2.2.7.4.7.2. Subtyping  (p. 34) | html | pdf |
        • 2.2.7.4.8. Special generic values  (p. 34) | html | pdf |
        • 2.2.7.4.9. Embedded data semantics  (p. 34) | html | pdf |
        • 2.2.7.4.10. CIF conventions for special characters in text  (p. 34) | html | pdf |
        • 2.2.7.4.11. Handling of long lines  (pp. 34-35) | html | pdf |
        • 2.2.7.4.12. Dictionary compliance  (p. 35) | html | pdf |
        • 2.2.7.4.13. CIF markup conventions  (p. 35) | html | pdf |
        • 2.2.7.4.14. Greek letters  (p. 36) | html | pdf |
        • 2.2.7.4.15. Accented letters  (p. 36) | html | pdf |
        • 2.2.7.4.16. Other characters  (p. 36) | html | pdf |
        • 2.2.7.4.17. Typographic style codes  (p. 36) | html | pdf |
    • References | html | pdf |
    • Figures
      • Fig. 2.2.3.1. Typical small-molecule CIF  (p. 21) | html | pdf |
    • Tables
      • Table 2.2.7.1. A formal grammar for CIF  (pp. 28-29) | html | pdf |
  • 2.3. Specification of the Crystallographic Binary File (CBF/imgCIF)  (pp. 37-43) | html | pdf | chapter contents |
    H. J. Bernstein and A. P. Hammersley
    • 2.3.1. Introduction  (p. 37) | html | pdf |
    • 2.3.2. CBF and imgCIF  (pp. 37-39) | html | pdf |
      • 2.3.2.1. A simple example  (pp. 37-39) | html | pdf |
    • 2.3.3. Overview of the format  (pp. 39-41) | html | pdf |
      • 2.3.3.1. Details of the magic number  (p. 40) | html | pdf |
      • 2.3.3.2. Details of the header section  (p. 40) | html | pdf |
      • 2.3.3.3. Details of binary sections  (p. 41) | html | pdf |
    • 2.3.4. A complex example  (p. 42) | html | pdf |
    • 2.3.5. imgCIF encodings  (pp. 42-43) | html | pdf |
    • Appendix 2.3.1. Deprecated CBF conventions  (p. 43) | html | pdf |
    • References | html | pdf |
  • 2.4. Specification of the Molecular Information File (MIF)  (pp. 44-52) | html | pdf | chapter contents |
    F. H. Allen, J. M. Barnard, A. P. F. Cook and S. R. Hall
    • 2.4.1. Introduction  (p. 44) | html | pdf |
    • 2.4.2. Historical background  (pp. 44-45) | html | pdf |
    • 2.4.3. MIF objectives  (p. 45) | html | pdf |
    • 2.4.4. MIF concepts and syntax  (pp. 45-47) | html | pdf |
      • 2.4.4.1. Data identification  (p. 45) | html | pdf |
      • 2.4.4.2. Looped lists  (pp. 45-46) | html | pdf |
      • 2.4.4.3. Save frames  (p. 46) | html | pdf |
      • 2.4.4.4. Data blocks  (p. 46) | html | pdf |
      • 2.4.4.5. Global blocks  (p. 47) | html | pdf |
    • 2.4.5. Atoms, bonds and molecular representations  (pp. 47-48) | html | pdf |
    • 2.4.6. Bonding conventions  (p. 48) | html | pdf |
    • 2.4.7. Structural templates  (p. 48) | html | pdf |
    • 2.4.8. Stereochemistry and geometry at stereogenic centres  (pp. 48-50) | html | pdf |
    • 2.4.9. MIF query applications  (pp. 50-51) | html | pdf |
    • 2.4.10. Conclusion  (p. 51) | html | pdf |
    • References | html | pdf |
    • Figures
      • Fig. 2.4.4.1. MIF coding of atom and bond properties for thiabutyrolactone  (p. 46) | html | pdf |
      • Fig. 2.4.4.2. MIF coding of atom properties (including 3D coordinates), bond properties and display information for (+)-3-bromocamphor  (p. 46) | html | pdf |
      • Fig. 2.4.4.3. Atom and bond properties for cyclohexane, together with 3D coordinate representations of three alternative conformations: chair, boat and twisted boat  (p. 47) | html | pdf |
      • Fig. 2.4.6.1. Three alternative bonding conventions for toluene stored in the same MIF data block  (p. 48) | html | pdf |
      • Fig. 2.4.7.1. MIF representation of (2-methylcyclohexyl)(3-methylcyclohexyl)(4-methylcyclohexyl)phosphine  (p. 49) | html | pdf |
      • Fig. 2.4.7.2. MIF representation of the dipeptide alanylserine constructed using alanyl and seryl templates encapsulated in global save frames.  (p. 49) | html | pdf |
      • Fig. 2.4.8.1. CIP stereochemical descriptors for (+)-3-bromocamphor  (p. 50) | html | pdf |
      • Fig. 2.4.8.2. Archetypal coordination geometries used in stereochemical definition of the MIF data item _stereo_geometry .  (p. 50) | html | pdf |
      • Fig. 2.4.8.3. Stereochemical data for menthyl- p -toluenesulfinate.  (p. 51) | html | pdf |
      • Fig. 2.4.9.1. Query substructure for conjugated ketones or thioketones  (p. 51) | html | pdf |
    • Tables
      • Table 2.4.4.1. Brief overview of the MIF syntax  (p. 45) | html | pdf |
  • 2.5. Specification of the core CIF dictionary definition language (DDL1)  (pp. 53-60) | html | pdf | chapter contents |
    S. R. Hall and A. P. F. Cook
    • 2.5.1. Introduction  (p. 53) | html | pdf |
      • 2.5.1.1. The concept of a dictionary definition language (DDL)  (p. 53) | html | pdf |
    • 2.5.2. The organization of a CIF dictionary  (pp. 53-54) | html | pdf |
    • 2.5.3. Definition attributes  (p. 54) | html | pdf |
      • 2.5.3.1. Example 1: attributes of temperature  (p. 54) | html | pdf |
      • 2.5.3.2. Example 2: attributes of Miller indices  (p. 54) | html | pdf |
    • 2.5.4. DDL versions  (pp. 54-55) | html | pdf |
    • 2.5.5. The structure of DDL1 definitions  (pp. 55-57) | html | pdf |
      • 2.5.5.1. Definition example 1: formula units per cell ( Z )  (p. 55) | html | pdf |
      • 2.5.5.2. Definition example 2: dictionary audit information  (pp. 55-56) | html | pdf |
      • 2.5.5.3. Definition example 3: irreducible data items  (p. 56) | html | pdf |
      • 2.5.5.4. Definition example 4: list data  (p. 56) | html | pdf |
      • 2.5.5.5. Definition example 5: category information  (p. 56) | html | pdf |
      • 2.5.5.6. Definition example 6: mandatory and linked items  (p. 56) | html | pdf |
      • 2.5.5.7. Definition example 7: joinable lists  (p. 56) | html | pdf |
      • 2.5.5.8. Definition example 8: equivalent items  (p. 56) | html | pdf |
      • 2.5.5.9. Definition example 9: enumeration states  (p. 57) | html | pdf |
    • 2.5.6. DDL1 attribute descriptions  (pp. 57-60) | html | pdf |
      • 2.5.6.1. Identification attributes  (p. 58) | html | pdf |
      • 2.5.6.2. Descriptive attributes  (p. 58) | html | pdf |
      • 2.5.6.3. Typing attributes  (pp. 58-59) | html | pdf |
      • 2.5.6.4. Relational attributes  (pp. 59-60) | html | pdf |
      • 2.5.6.5. Dictionary registration attributes  (p. 60) | html | pdf |
    • References | html | pdf |
    • Figures
      • Fig. 2.5.4.1. Comparison of DDL versions: ( a ) DDL1, ( b ) DDL2  (p. 55) | html | pdf |
      • Fig. 2.5.5.1. DDL1 definition with a few attributes  (p. 55) | html | pdf |
      • Fig. 2.5.5.2. DDL1 definition showing basic dictionary organization  (p. 55) | html | pdf |
      • Fig. 2.5.5.3. DDL1 definition of irreducible data items  (p. 56) | html | pdf |
      • Fig. 2.5.5.4. DDL1 definition of a `list' data item  (p. 56) | html | pdf |
      • Fig. 2.5.5.5. DDL1 overview of a category of items  (p. 57) | html | pdf |
      • Fig. 2.5.5.6. DDL1 definition of a `mandatory' data item  (p. 57) | html | pdf |
      • Fig. 2.5.5.7. DDL1 definition of a `parent' data item  (p. 57) | html | pdf |
      • Fig. 2.5.5.8. DDL1 definition showing `related' data items  (p. 57) | html | pdf |
      • Fig. 2.5.5.9. DDL1 definition showing enumeration states  (p. 58) | html | pdf |
      • Fig. 2.5.6.1. ( a ) Hypothetical example and ( b ) the typical definition of nested items  (p. 59) | html | pdf |
      • Fig. 2.5.6.2. Definition example: type constructions  (p. 59) | html | pdf |
    • Tables
      • Table 2.5.4.1. Comparison of DDL1 and DDL2 variants  (p. 54) | html | pdf |
  • 2.6. Specification of a relational dictionary definition language (DDL2)  (pp. 61-70) | html | pdf | chapter contents |
    J. D. Westbrook, H. M. Berman and S. R. Hall
    • 2.6.1. Introduction  (p. 61) | html | pdf |
    • 2.6.2. The DDL2 presentation  (p. 61) | html | pdf |
    • 2.6.3. Overview of the elements of DDL2  (p. 62) | html | pdf |
    • 2.6.4. DDL2 organization  (p. 63) | html | pdf |
    • 2.6.5. DDL2 dictionary applications  (pp. 63-66) | html | pdf |
    • 2.6.6. Detailed DDL2 specifications  (pp. 65-70) | html | pdf |
      • 2.6.6.1. DDL2 definitions describing data items  (pp. 65-68) | html | pdf |
        • 2.6.6.1.1. ITEM  (pp. 65-66) | html | pdf |
        • 2.6.6.1.2. ITEM_ALIASES  (p. 66) | html | pdf |
        • 2.6.6.1.3. ITEM_DEFAULT  (p. 66) | html | pdf |
        • 2.6.6.1.4. ITEM_DEPENDENT  (p. 66) | html | pdf |
        • 2.6.6.1.5. ITEM_DESCRIPTION  (p. 66) | html | pdf |
        • 2.6.6.1.6. ITEM_ENUMERATION  (p. 67) | html | pdf |
        • 2.6.6.1.7. ITEM_EXAMPLES  (p. 67) | html | pdf |
        • 2.6.6.1.8. ITEM_LINKED  (p. 67) | html | pdf |
        • 2.6.6.1.9. ITEM_METHODS  (p. 67) | html | pdf |
        • 2.6.6.1.10. ITEM_RANGE  (p. 67) | html | pdf |
        • 2.6.6.1.11. ITEM_RELATED  (p. 67) | html | pdf |
        • 2.6.6.1.12. ITEM_STRUCTURE  (p. 67) | html | pdf |
        • 2.6.6.1.13. ITEM_STRUCTURE_LIST  (p. 67) | html | pdf |
        • 2.6.6.1.14. ITEM_SUB_CATEGORY  (p. 67) | html | pdf |
        • 2.6.6.1.15. ITEM_TYPE  (pp. 67-68) | html | pdf |
        • 2.6.6.1.16. ITEM_TYPE_CONDITIONS  (p. 68) | html | pdf |
        • 2.6.6.1.17. ITEM_TYPE_LIST  (p. 68) | html | pdf |
        • 2.6.6.1.18. ITEM_UNITS  (p. 68) | html | pdf |
        • 2.6.6.1.19. ITEM_UNITS_CONVERSION  (p. 68) | html | pdf |
        • 2.6.6.1.20. ITEM_UNITS_LIST  (p. 68) | html | pdf |
      • 2.6.6.2. DDL2 definitions describing categories  (pp. 68-70) | html | pdf |
        • 2.6.6.2.1. CATEGORY  (pp. 68-69) | html | pdf |
        • 2.6.6.2.2. CATEGORY_EXAMPLES  (p. 69) | html | pdf |
        • 2.6.6.2.3. CATEGORY_GROUP  (p. 69) | html | pdf |
        • 2.6.6.2.4. CATEGORY_GROUP_LIST  (p. 69) | html | pdf |
        • 2.6.6.2.5. CATEGORY_KEY  (p. 69) | html | pdf |
        • 2.6.6.2.6. CATEGORY_METHODS  (p. 69) | html | pdf |
        • 2.6.6.2.7. SUB_CATEGORY  (p. 70) | html | pdf |
        • 2.6.6.2.8. SUB_CATEGORY_EXAMPLES  (p. 70) | html | pdf |
        • 2.6.6.2.9. SUB_CATEGORY_METHODS  (p. 70) | html | pdf |
      • 2.6.6.3. DDL2 definitions describing methods  (p. 70) | html | pdf |
        • 2.6.6.3.1. METHOD_LIST  (p. 70) | html | pdf |
      • 2.6.6.4. DDL2 definitions describing dictionaries and data blocks  (p. 70) | html | pdf |
        • 2.6.6.4.1. DATABLOCK  (p. 70) | html | pdf |
        • 2.6.6.4.2. DATABLOCK_METHODS  (p. 70) | html | pdf |
        • 2.6.6.4.3. DICTIONARY  (p. 70) | html | pdf |
        • 2.6.6.4.4. DICTIONARY_HISTORY  (p. 70) | html | pdf |
    • References | html | pdf |
    • Figures
      • Fig. 2.6.4.1. DDL2 attributes used to specify item information  (p. 62) | html | pdf |
      • Fig. 2.6.4.2. DDL2 attributes used to specify category, subcategory and category group information  (p. 63) | html | pdf |
      • Fig. 2.6.4.3. DDL2 attributes used to specify dictionary and data-block information  (p. 63) | html | pdf |
    • Tables
      • Table 2.6.5.1. Relationships defined by _item_related.function_code   (p. 65) | html | pdf |

• Part 3. CIF data definition and classification
  • 3.1. General considerations when defining a CIF data item  (pp. 73-91) | html | pdf | chapter contents |
    B. McMahon
    • 3.1.1. Introduction  (pp. 73-74) | html | pdf |
      • 3.1.1.1. Authorship of data dictionaries  (p. 73) | html | pdf |
      • 3.1.1.2. Certification for community use  (p. 73) | html | pdf |
      • 3.1.1.3. DDL versions  (pp. 73-74) | html | pdf |
    • 3.1.2. Informal definition procedures  (p. 74) | html | pdf |
      • 3.1.2.1. The _[local]_ prefix  (p. 74) | html | pdf |
      • 3.1.2.2. Reserved prefixes  (p. 74) | html | pdf |
      • 3.1.2.3. Name spaces  (p. 74) | html | pdf |
    • 3.1.3. Formal definition process  (pp. 74-75) | html | pdf |
      • 3.1.3.1. Dictionary maintenance groups  (p. 75) | html | pdf |
      • 3.1.3.2. mmCIF review cycle  (p. 75) | html | pdf |
      • 3.1.3.3. New dictionaries  (p. 75) | html | pdf |
    • 3.1.4. Choice of data model  (pp. 75-76) | html | pdf |
    • 3.1.5. Constructing a DDL1 dictionary  (pp. 76-79) | html | pdf |
      • 3.1.5.1. The dictionary identification block  (p. 77) | html | pdf |
      • 3.1.5.2. Irreducible sets of data items  (p. 77) | html | pdf |
      • 3.1.5.3. Category descriptions  (p. 77) | html | pdf |
      • 3.1.5.4. Data-item definitions  (pp. 77-79) | html | pdf |
        • 3.1.5.4.1. Definitions of single quantities  (pp. 77-78) | html | pdf |
        • 3.1.5.4.2. Looped data  (p. 78) | html | pdf |
        • 3.1.5.4.3. Units  (pp. 78-79) | html | pdf |
    • 3.1.6. Constructing a DDL2 dictionary  (pp. 79-83) | html | pdf |
      • 3.1.6.1. Dictionary identification  (p. 79) | html | pdf |
      • 3.1.6.2. Subcategory definitions  (pp. 79-80) | html | pdf |
      • 3.1.6.3. Category groupings  (p. 80) | html | pdf |
      • 3.1.6.4. Category definitions  (pp. 80-81) | html | pdf |
      • 3.1.6.5. Data-item definitions  (pp. 81-83) | html | pdf |
        • 3.1.6.5.1. Inheritance of identifiers  (p. 82) | html | pdf |
        • 3.1.6.5.2. Definitions of single quantities  (p. 83) | html | pdf |
      • 3.1.6.6. Units  (p. 83) | html | pdf |
    • 3.1.7. Composing new data definitions  (pp. 83-85) | html | pdf |
      • 3.1.7.1. Granularity  (pp. 83-84) | html | pdf |
      • 3.1.7.2. Category `special details' fields  (p. 84) | html | pdf |
      • 3.1.7.3. Construction of data names  (p. 84) | html | pdf |
      • 3.1.7.4. Parsable data values versus separate data names  (pp. 84-85) | html | pdf |
      • 3.1.7.5. Consistency of abbreviations  (p. 85) | html | pdf |
    • 3.1.8. Management of multiple dictionaries  (pp. 85-88) | html | pdf |
      • 3.1.8.1. Identification of dictionaries relevant to a data file  (pp. 85-86) | html | pdf |
      • 3.1.8.2. The dictionary register  (pp. 86-87) |