000 00321nam a22001337a 4500
001 5390
008 130620b xxu||||| |||| 00| 0 eng d
020 _a9780706998177
082 _a534
100 _aSubrahmanyam .n
_zSUB
245 _aA text-book of sound
_cN. Subrahmanyam
260 _aDelhi
_bVikas
_c2011
942 _cBOOKS
999 _c5807
_d5807