000 00295nam a2200133Ia 4500
020 _a9780706998177
100 _aSubrahmanyam N
245 _aTextbook of Sound
250 _a2nd
260 _c2008
_bVikas Publishing House
_aNew Delhi
300 _axiii+281
700 _aBrij Lal
942 _cBK
999 _c36160
_d36160