Kennedy, George, Electronic communication systems / George Kennedy, Bernard Davis and S.R.M Prasanna - 6th ed. - New Delhi : McGraw-Hill c2011. - xxvi, 670 p. : ill. ; 24 cm. Includes index. English ISBN: 9789352606603 LCCN: 92003906 Subjects--Topical Terms: Telecommunication. LC Class. No.: TK5101 / .K39 1993 Dewey Class. No.: 621.382/KEE