00554nam a2200193 i 4500 260819s2004 xx 000 0 und d 0-534-40617-3 PK-LaGCW 621.382 PRO Proakis, Jhon G Contemporary Communication Systems / Jhon G-Proakis United State : Thomson, 2004. 487 Pages : pbk. 25 cm. text txt rdacontent unmediated n rdamedia volume nc rdacarrier Computer Science ddc 0 0 ddc 0 621_382000000000000_PRO 0 10692 LPL LPL BK 2026-08-19 0 621.382 PRO 16198 2026-08-19 10:09:55 2026-08-19 BK 14361 14361