000 00273nam a2200121Ia 4500
020 _a9788120305328
100 _aAlan V Oppenheim
245 _aDigital Signal Processing
260 _c2001
_bPHI
_aNew Delhi
300 _axiv+585
700 _aRonald W Schafer
942 _cBK
999 _c59548
_d59548