TY  - BOOK
AU  - Limbacher,James L
TI  - A reference guide to audiovisual information
U1  - 016.025177 
PY  - 1972///.
CY  - New York : 
PB  - R R Bowker Company, 
KW  - Audiovisual information - Reference guide
KW  - Audio-visual education -- Bibliography
ER  -