TY  - BOOK
AU  - Mukhopadhyay,Asoknath
TI  - Guide to MARC 21: for cataloging of books and serials with functional definitions, examples and working resources 
SN  - 1843344076
AV  - Z699.35M28 M84
PY  - 2007///
CY  - Oxford
PB  - Chandos
KW  - Formatos MARC
KW  - Manuales
ER  -