00367nam a2200157Ia 4500 Mckay/L.R Communication RB 20 What every engineer should know about electronic communication system Marcel Dekker 1989 621.38 MCK 250 ENGLISH TTL 18765 18765 0 0 0 0 CRC CRCE CRCE 2023-03-17 Book Base 2464.80 10813 dt 26/04/2011 0 621.38 MCK 21647 2023-03-17 3081.00 0000-00-00 RB