Difference between revisions of "RDA 4.2"

Revision as of 13:40, 27 March 2013

RDA 4.2: 250 field (Edition)

250 field

This step will bring abbreviations commonly used in the Edition Statement (250) and the Cartographic Mathematical Data (255) fields in line with RDA practices a much as possible by machine manipulation. By using lists that can be updated and expanded as needed it’s possible to modify the changes to either of these fields to fit your needs.

Abbreviations spelled out in 250 fields include numeric designations (1st to first, 3d to third, etc.), ed. to editor, rev. to revised, etc.

This table lists some abbreviations that will be expanded in 250 $a (edition statement):

 
 original field:
    250 $a 3rd rev. ed.
  
 updated field:
    250 $a Third revised edition.
 

255 field

Abbreviations to be spelled out in 255 fields include RA to Right ascension, Decl. to Declination, eq. to quinox, hour to hr., and ca. changed to approximately and brackets removed.

 
 original field:
    255 $c Scale [ca. 1:90,000].
  
 updated field:
    255 $c Scale approximately 1:90,000.

 original field:
    255 $c (RA 16 hr./Decl. -23° ; eq. 1950).
  
 updated field:
    255 $c (Right ascension 16 hr./Declination -23° ; equinox 1950).
 

Note: No changes will be made to 255 $b Statement of Projection as it is a transcribed field.

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