00379 a2200157 4500 0071181830 621.382 PRO 12845 18694 Proakis, John G. Digital communications 4th. Boston McGraw - Hill 2001 2001 xxi, 1002p. 23cm. COMMUNICATIONS ENGINNERING L 41207 41207 0 0 0 0 LEN MAIN MAIN LEN 2009-01-08 0 621.382PRO 22243 2017-08-31 00:00:00 0.00 2016-10-31 L