Tomasi, Wayne. Introduction to data communications and networking [Book /] Wayne Tomasi. - Upper Saddle River, N.J. : Pearson/Prentice Hall, 2005. - xvii, 967 p. : ill. (some col.) ; 27 cm. Includes index. All Ages. ISBN: 0130138282 LCCN: 2004274831 Subjects--Topical Terms: Data transmission systems.Computer networks. LC Class. No.: TK5105 / .T66 2005 Dewey Class. No.: 621.382