TY  - BOOK
AU  - Gupta, R
TI  - Audio and video systems principles m,aintenance and troubleshooting 2/ed
SN  - 978-0-07-069976-2
U1  - 621.38804 
PY  - 2016///
CY  - New Delhi
PB  - Macgraw-Hill Pub
KW  - Electrical Electronics Communication
ER  -