000 00370nam a2200145Ia 4500
008 241225s9999 xx 000 0 und d
020 _a0074621408
082 _a621.3897
_bGUP
100 _aGupta, R G.
245 0 _aAudio and video engineering systems
260 _aNew Delhi :
_bTata Mcgrawhill,
_c2007
300 _a334.
365 _a105
650 _aApplied physics
999 _c17583
_d17583