TY  - BOOK
AU  - Gilbert,Leslie A.
AU  - Wright,Jan W.
TI  - Non-book materials ; their bibliographic control: a proposed computer system for the cataloguing of audio-visual materials in the United Kingdoms 
T2  - Working paper
PY  - 1971///
CY  - London
PB  - National Council for Educational Technology
KW  - Cataloging of nonbook materials
KW  - Machine-readable bibliographic data
ER  -