TY  - SER
ED  - National Audio Visual Association
TI  - The audio-visual equipment directory
PY  - 1975///
CY  - Fairfax
PB  - National Audio-Visual Association
KW  - Audio
KW  - visual equipment
KW  - Catalogs
N1  - Began in Mar. 1953; -29th ed. (1983-84); Description based on: 27th ed. (1981-82); nsdp lc
ER  -