TY  - BOOK
AU  - McPherson,Alan
AU  - Timms,Howard
TI  - The audio-visual handbook: a complete guide to the world of audio-visual techniques 
SN  - 0720717787
PY  - 1988///
CY  - London : 
PB  - Pelham, 
KW  - Audio-visual materials
N1  - Bibliography: p253-256. _ Includes index.
ER  -