000 00278nam a2200109Ia 4500
008 170101s2017 xx 000 0 und d
082 _a534 KHA
100 _aKhanna, D.R.
245 0 _aTextbook of sound with theory of oscillations
260 _aDelhi
_bAtmaram
942 _2ddc
_cBK
999 _c37881
_d37881