000 00312nam a2200121Ia 4500
008 211209s1990 xx 000 0 und d
041 _aeng
082 _a621.3822 N90 OPP/WIL
100 _aOPPENHEIM, ALAN V
245 _aSIGNALS AND SYSTEMS
260 _aNEW DELHI
_bPRENTICE-HALL OF INDIA
_c1990
300 _a796
999 _c26330
_d26330