000 00317nam a2200133Ia 4500
100 _aKHANNA D R and BEDI R S
650 _aPhysics
365 _cRS
365 _d1
942 _cENGBK
245 _aA Text book of Sound
_bTheory of Oscillations and Waves
260 _bAtma Ram & Sons
_c1992
_aDelhi
300 _a530PP
999 _c13828
_d13828