000 00290nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aKhanna D R 
 Bedi R S
245 2 _aA Text Book Of Sound
260 _bAtmaram &sons
_c1984
300 _a508 p
650 _aPhysics
942 _cBK
999 _c32967
_d32967