000 00409 a2200169 4500
020 _a8178086883
082 _a621.3822
_bOPP
090 _c13164
_d19283
100 _aOppenheim, Alan V.
245 _aSignals & systems
250 _a2nd.
260 _aSingapore
_bPearson education
_c1997
_g1997
300 _axxix, 957p.
_c24cm.
650 _aSIGNAL PROCESSING
700 _aWillsky, Alan S.
942 _cL
999 _c41513
_d41513