Forouzan, Behrouz A. Data communications and networking / Behrouz A. Forouzan. - 5th ed. - New York, NY : McGraw-Hill, c2013. - xxxviii, 1226 p. : ill. ; 24 cm. ISBN: 9780071315869 (pbk.) Subjects--Topical Terms: Data transmission systems.Computer networks. Dewey Class. No.: 004.6 / FOR 2013