000 00281nam a22001217a 4500
999 _c2268
_d2268
020 _a9780070672796
082 _a621.382201
100 _aS Poornachandra & B Sasikala
245 _aDigital signal processing
250 _a3rd
260 _aNew Delhi
_bMcGraw Hill
_c2010
942 _cBK