00279nam a2200121Ia 4500008004100000100002000041245003000061250000600091260002100097260000900118300000800127650002200135221231s9999    xx            000 0 und d  aMitra, Sanjit K 0aDigital Signal Processing  a3  bTata McGraw-Hill  c2008  a916  aTelecommunication