Tomasi, Wayne. Advanced electronic communications systems / Wayne Tomasi. - 6th ed. - Upper Saddle River, N.J. : Pearson/Prentice Hall, c2004. - xiv, 654 p. : ill. ; 27 cm. Includes index. ISBN: 0130453501 LCCN: 2003044007 Subjects--Topical Terms: Digital communications.Telecommunication systems. LC Class. No.: TK5103.7 / .T65 2004 Dewey Class. No.: 621.382