TY  - BOOK
AU  - Wyman,Raymond
ED  - Wm. C. Brown Company Publishers
TI  - Mediaware: selection, operation and maintenance 
SN  - 0697060411
U1  - 621.3897 23
PY  - 1973///.
CY  - Dubuque, Iowa: 
PB  - Wm. C. Brown Co., 
KW  - Audio-visual equipment
N1  - Includes bibliographical references and index
ER  -