Mirabito, Michael M. A., 1956- The new communications technologies / Michael M. A. Mirabito with contributions by Barbara L. Morgenstern - 2nd ed. - Boston : Focal Press, c1994 - x, 223 p. : ill. ; 26 cm. Includes index ISBN: PND 25.00 Subjects--Topical Terms: Telecommunication systems--Technological innovations Dewey Class. No.: 584