National level bibliographic record--books
Subtitle: revised draft of a document originally prepared by Helen F. Schmierer for Processing Services, Library of Congress.
Contributors: Library of Congress. Processing Dept.
Publisher: Library of Congress
Published: 1978
Place of publication: Washington, D.C
Language: eng
Number of pages: 98
Subjects: Machine-readable bibliographic data; Cataloging -- Data processing; Exchange of bibliographic information