00539 a2200181 4500 DLC 004.6 Forouzan, Behrouz A. Data communications and networking Behrouz A. Forouzan ; with Catherine Coombs and Sophia Chung Fegan 2nd ed. xxxii, 942 p. : ill. Data transmission systems Computer networks Computer networks Coombs, Catherine aut Fegan, Sophia Chung aut BK 004.6 FOR ddc 7951 7951 0 0 0 0 NFIC CL CL DACOM 2014-05-27 0 004.6 FOR SEECSD00079 2012-11-14 2017-01-05 BK