TY  - BOOK
ED  - Network Development and MARC Standards Office
TI  - USMARC Format for Bibliographic Data
SN  - 8444405957
U1  - 025.316 
PY  - 1989///
CY  - Washington
PB  - Library of Congress, 
KW  - MARC formats
KW  - Định dạng Marc
N1  - Previous published under the title: MARC Formats for Biliographic Data
ER  -