000			00334nam a2200133Ia 4500
008			240913s9999||||xx |||||||||||||| ||und||
082			_aGS 533.62 SEN/A
100			_aS.N Sen
245		0	_aAcoustics : waves and oscillations
250			_aNULL
260			_bNew Age International _aNew Delhi _c1990
300			_a234p
942			_cBKS
999			_c6891 _d6891