Jones, Stephan. Introduction to communications technologies : a guide for non-engineers / Stephan Jones ; Ron Kovac & Frank M. Groom. - 2nd ed. - Boca Raton : CRC Press, c2009. - xvi, 308 p. : ill. ; 24 cm. Includes index. ISBN: 9781420046847 (hbk.) LCCN: 2008031623 Subjects--Topical Terms: Telecommunication. LC Class. No.: TK5101 / .J66 2009 Dewey Class. No.: 621.381 / JON