000 00305nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a534
082 _bK527T
100 _aKhanna D R
245 2 _aA Textbook Of Sound
260 _aNew Delhi
260 _bAtma Ram
260 _c1984
300 _a508
999 _c21028
_d21028