000 00379nam a2200157Ia 4500
082 _a621.388/Gup
100 _aGupta, R G
526 _dNTB
526 _aUG
366 _f20
942 _cBK
245 _aAudio and video systems : principles, maintenance and troubleshooting.-2nd ed.
260 _aNew Delhi
_bMcGraw Hill Education
_c2015
300 _axvi,360
546 _aE
999 _c77367
_d77367