000 00297nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
082 _a534 S941
100 _aSUBRAHMANYAM,N
245 0 _aTEXT BOOK OF SOUND
260 _aDELHI
_bVikas publishing House
_c1986
300 _a25X16
942 _cBK
_2DDC
999 _c47584
_d47584