000 00279nam a2200109Ia 4500
008 230411s9999 xx 000 0 und d
082 _a621.3820
_bOPP
100 _a OPPENHEIM (ALAN V.) WILLSKY (ALAN S)
245 0 _aSignals & Systems
260 _b PHI
_a New Delhi
942 _cBK
999 _c1708
_d1708