00490nam a2200169Ia 4500008004100000020000700041040003000048082001300078100002900091245003800120260003100158300001100189650001200200942000700212952008600219999001500305190302s9999||||xx |||||||||||||| ||und||  c60  aKharagpur College Library  a534bCHA  aPradip Kumar Chakraborty 2aA textbook on Waves and acoustics  bNew CantralaKolkatac1993  a325 p.  aPhysics  cBK  00104070aMAINbMAINd2016-08-01l0o534 CHAp23019r2016-08-01w2016-08-01yBK  c6665d6665