00269nam a2200121Ia 4500 Bissell/C.C BK digital Digital signal transmission Cambridge University Cambridge 1992 321 ENGLISH 24055 24055 0 0 0 0 CRC CRCE CRCE 1430 | 25 2023-03-17 Progressive Books 577.30 2090 dt 24/02/93 0 4197 2023-03-17 577.30 1993-02-24 BK