000 00351nam a2200145Ia 4500
008 211209s2021 xx 000 0 und d
020 _a9788131710005
041 _aeng
082 _a621.3822 PRO
100 _aPROAKIS G JOHN
245 _aDIGITAL SIGNAL PROCESSING
250 _a4th ed
260 _aNEW DELHI
_bPEARSON
_c2021
300 _axix+1136
999 _c97654
_d97654