TY  - BOOK
AU  - Simpson,Robert S.
TI  - Effective audio-visual : : a user's handbook
SN  - 0240514165
U1  - 621.3897  23
PY  - 1996///
CY  - Oxford : 
PB  - Focal Press , 
KW  - Audio-visual equipment
N1  - Includes index
ER  -