Forouzan, Behrouz A. Data communications and networking / Behrouz A. Forouzan and Sophia Chung Fegan - 3rd ed. - Boston : McGraw-Hill, c2004. - xxxiv,973 p. : ill. ; 23 cm. - McGraw-Hill Forouzan networking series . ISBN: 0071232419 LCCN: Subjects--Topical Terms: Data transmission systemsComputer networks LC Class. No.: TK5105 / .F6617 2004