00453nam a2200145Ia 4500008004100000020001800041041000800059082001800067100002300085245002500108260002800133300000800161952012100169999001700290211209s2015 xx 000 0 und d a9789332550230 aeng a621.38223 OPP aOPPENHEIM, ALAN V. aSIGNALS AND SYSTEMS  bPEARSON EDUCATIONc2015 a957 00104070aRITbRITcEC-U2d2021-12-31l4m5o621.38223 OPPp73075r2024-06-27 00:00:00s2024-06-08w2021-12-31yBK c73075d73075