TY  - BOOK
ED  - National Audio-Visual Aids Centre.
TI  - NAVAC audio visual handbook
SN  - 0850382750
U1  - 371.33 23
PY  - 1980///
CY  - London
PB  - Kogan Page
KW  - Audio-visual equipment
KW  - Directories
KW  - Audio-visual materials
N1  - Includes index; Bibliography: p. 192-205
ER  -