000 00269nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
082 _a534 S132
100 _aSAIHGAL,R.L
245 0 _aTEXT BOOK OF SOUND
260 _aDELHI
_bS. Chand Publishing
_c1973
942 _cBK
_2DDC
999 _c47580
_d47580