00256nam a2200109Ia 4500008004100000041001200041082001100053100002000064245005000084260000600134650000600140221030s9999    xx            000 0 und d  aEnglish  a105.23  aA. V. Oppenheim 0aDigital Signal Processingcby A. V. Oppenheim  c0  aB