TY  - BOOK
ED  - Library of Congress.
ED  - National Library of Canada.
ED  - British Library.
TI  - MARC 21 format for holdings data: including guidelines for content designation 
SN  - 0844409995
AV  - Z693.3 .H65 M323 2003
PY  - 2003///
CY  - Washington, D.C., Wash.
PB  - Cataloging Distribution Service, Library of Congress
KW  - HOLDINGS (BIBLIOGRAPHIC DATA)
KW  - DATA PROCESSING
KW  - MARC FORMATS
N1  - Rev. ed. of: USMARC format for holdings data. 1990; and, Canadian MARC communication format for holdings data. 1990; Includes bibliographical references
ER  -