000			00351nam a2200145Ia 4500
008			210901s2000 xx 000 0 eng d
020			_a8177240005
082			_a537.534 CHO
100			_aChopra, D.V.
245		0	_aWaves & oscillations
260			_aNew Delhi _bModern Publishers _c2000
300			_a411
650			_aPhysics
942			_2ddc _cBK _01
999			_c23560 _d23560