000 00414nam a2200145Ia 4500
008 180713s9999 xx 000 0 und d
082 _a534 S5
100 _a"Subrahmanyam, N "
245 0 _aTextbook of Sound
260 _aNew Delhi
260 _b Vikas
260 _c2013
365 _b325
942 _cBK
999 _c113367
_d113367