Forouzan, Behrouz A. Data Communications and Networking / by Behrouz A. Forouzan, Sophia Chung Fegan. - 4th ed. - New Delhi; Tata McGraw Hill Education, c 2007 [2010]. - xxxiv, 1134 p.: Includes Bibliographical References and Index. ISBN: 9780070634145 Subjects--Topical Terms: Data CommunicationsNetworking Dewey Class. No.: 004.6 / FOD