TY  - BOOK
AU  - Simpson,Robert S.
TI  - Effective audio-visual: a user's handbook 
SN  - 0240512545 
U1  - 001.553 
PY  - 1987///
CY  - London, Boston
PB  - Focal Press
KW  - Audio-visual equipment
KW  - Communication
N1  - Includes index
ER  -