National level bibliographic record--books
By: prepared by Phyllis A. Bruns (Processing Services).
Contributors: Bruns, Phyllis A.
Publisher: Library of Congress; Distributed by Cataloging Distribution Service
Published: 1980
Place of publication: Washington, D.C
Language: eng
Subjects: Machine-readable bibliographic data -- Standards -- United States.; Cataloging -- Data processing -- Standards -- United States.
Notes: "May 1980."