TY  - GEN
AU  - Ravilious,C.P
TI  - A survey of existing systems and current proposal for the cataloguing and description of non-book materials collected by libraries, with preliminary suggestions for their international co-ordination
PY  - 1975///
CY  - Paris
PB  - Unesco
KW  - Catalogação
KW  - Br
KW  - Catalogação descritiva
KW  - Multimeios
ER  -