TY  - BOOK
AU  - Cable,Ralph
TI  - Audio-visual handbook
AV  - REF LB4043.C3 
PY  - 1965///
CY  - London
PB  -  : University of London Press
KW  - Audio visual,
KW  - Education,
KW  - Handbooks,
KW  - Manuals etc
ER  -