000 00235nam a2200109Ia 4500
020 _a9788120312463
082 _a621.3822
100 _aOPPENNEIM ALAN V.
245 _aSIGNALS AND SYSTEMS
260 _aNEW DELHI
_b PHI
_c1997
942 _cBK
999 _c5234
_d5234