Rosengrant, M. A. Introduction to telecommunications [[Book] /] M.A. Rosengrant. - Upper Saddle River, N.J. : Prentice Hall, 2002. - xxiii, 728 p. : ill. (some col.), map ; 24 cm. ISBN: 0130962007 LCCN: 2001021322 Subjects--Topical Terms: Telecommunication. LC Class. No.: TK5101 / .R595 2002 Dewey Class. No.: 384 National Library of Medicine Call No.: / R I