Core dictionary (coreCIF) version 2.3.1




   A description of special aspects of the relationship
   of the contents of the data block to the literature item cited.


'                       citation relates to this precise coordinate set'
'                       citation relates to earlier low-resolution structure'
;                       citation relates to further refinement of structure
                        reported in citation 2

Appears in list containing _citation_id

Type: char

Category: citation

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