Forouzan, Behrouz A. Data communications and networking / Behrouz A. Forouzan. - 5th ed. - New Delhi: Tata McGraw-Hill, c2013. - xxxviii, 1226p.: ill.;, figs.;, tables.; 24 cm. Includes index. Dept. of CSE Subjects--Topical Terms: Digital transmission Dewey Class. No.: 004.6 / FOD