TY  - BOOK
AU  - Gupta, RG.
TI  - Audio and video systems: principles, maintenance and troubleshooting 
SN  - 9780070699762
U1  - 621.3897 22
PY  - 2010///
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - Electrical & electronics engineering
KW  - Microphones
N1  - EEE
ER  -