Thesaurus of DDC descriptors.
Published: 1966
Place of publication: Alexandria, Va
Language: eng
Number of pages: 510
Subjects: Subject headings -- Technology.
Notes: "Represents a substantial updating of the previous Thesaurus of ASTIA descriptors (second edition) dated December 1962, and supersedes the following publications: DDC supplement to the Thesaurus of ASTIA descriptors (second edition), DDC authorized descriptors (July 1964) and Descriptor hierarchies (July 1964)."
"Supersedes all other editions."