000 00320nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a621.3893 GUP
100 _aGupta (R.G)
245 _aAudio and video engineering systems, principles & trouble shooting
260 _aNEW DELHI
_bTMH
365 _cRS
999 _c204432
_d204432