000			00345nam a2200145Ia 4500
008			220926s9999 xx 000 0 und d
100			_aN.Subramanyam & Brijhal
245		0	_aA Text Book of Sound
250			_a2nd RP
260			_aNew Delhi
260			_bWiley Eastern Ltd
260			_c1992
650			_aA Text Book of Sound
942			_cBK
999			_c15734 _d15734