000			00301nam a2200133Ia 4500
008			190216s9999||||xx |||||||||||||| ||und||
100			_aSaihgal. R.H
245		2	_aA Text Book Of Sound
250			_a2nd Ed.
260			_bSulthan Chand &co _c1977
300			_a283
650			_aPhysics
942			_cBK
999			_c32832 _d32832