00323nam a2200121Ia 4500008004100000100004600041245003000087250000600117260002700123260000900150300000800159650003400167221231s9999    xx            000 0 und d  aOppenheim, Alan V and Schafer, Ronald  W 0aDigital Signal Processing  a2  bPrentice-Hall of India  c2007  a957  aElectronics and Communication