000 00280nam a2200109Ia 4500
008 190829s9999 xx 000 0 und d
082 _a534
_bSAI/TE
100 _aSAIHGAL, R.L.
245 0 _aTEXTBOOK OF SOUND
260 _bS. Chand and Sons, New Delhi
_aNew Delhi
_c1977
942 _cBK
999 _c9180
_d9180