00522pamaa2200181 4500 0000021220 20060615090000.0 0130834432 (pbk) 621.3822 OPP TK5102.9 OPP 1999 OPPENHEIM Discrete-time signal processing Alan V. Oppenheim and Ronald W. Schafer. 2nd ed. New Jersey: Prentice Hall, 1999. xxvi, 870p.: 24cm. Signal processing Discrete-time systems Schafer, Ronald W.