TY  - BOOK
ED  - Library of Congress.
TI  - In process materials, a MARC format: specifications for magnetic tapes containing records for materials in the processof being cataloged in the Library of Congress
SN  - 0844401668
PY  - 1975///
CY  - Washington, DC.
PB  - The Library of Congress
KW  - Sistema MARC
KW  - Formatos
KW  - Estados Unidos
N1  - Folletería permanente
ER  -