000			00345nam a2200157Ia 4500
008			170519s9999 xx 000 0 und d
041			_aBengali
082			_a534/ROY/SOU
100			_aD.P ROY- CHAUDHURI
245			_aSOUND
260			_c1964
300			_c244P
650			_aPHYSICS
650			_aSOUND & RELATED VIBRATIONS
942			_cBK
999			_c97973 _d97973