00456 a2200169 4500 41465 41465 WUSLLib 200930b ||||| |||| 00| 0 eng d 621.382 LAN Langley, Graham 18956 Telecommunications primer 4th ed. England: Pearson education, 1998 v, 198p.; 24cm. COMMUNICATIONS ENGINEERING 9732 Ronayne, John 18957 L ddc 0 0 ddc 0 0 LEN MAIN MAIN LEN 2009-01-15 0 621.382LAN 14005 2017-08-31 00:00:00 0.00 2016-10-31 L 0 0 ddc 0 0 SRC MAIN MAIN REF 2020-09-30 0 621.382LAN 14006 2020-09-30 00:00:00 2020-09-30 SR