00325nam a2200121Ia 4500008004100000041001200041082002100053100004600074245003600120260001400156300001100170650002200181231217s9999    xx            000 0 und d  aEnglish  a621.38481  OPP;3  aOppenheim, Alan V. Schafer, Ronald W. ed. 0aDiscrete time signal processing  c1989bPHI  axv+879  aSignal processing