Forouzan, Behrouz A. Data communications and networking / Behrouz A. Forouzan with Sophia Chung Fegan. - 4th ed. Special Indian Edition - New Delhi : Tata McGraw-Hill, c2006. - xxxiv, 1134 p. : ill. ; 24 cm. - McGraw-Hill Forouzan networking series . Includes bibliographical references and index. ISBN: 9780070634145 0070634149 Subjects--Topical Terms: Data transmission systems.Computer networks. Dewey Class. No.: 004.6 / FOD