00302nam a2200121Ia 4500008004100000040003000041082001500071100001800086245002800104260002000132300001600152650001200168190302s9999||||xx |||||||||||||| ||und||  aKharagpur College Library  a531.3bLAN  aLandau, L. D.  aPrinciples of Acoustics  bBHaIndiac2005  a170 p.bV.1  aPhysics