Kennedy, George. Electronic communication systems / by George Kennedy and Bernard Davis. - 4th ed / . - New Delhi : Tata McGraw-Hill Publishing , 2005. - xiv,763p. : ills.,fig. ; 24cm . NULL ISBN: 0074636820 Rs. 299.00 Subjects--Index Terms: TELECOMMUNICATION Dewey Class. No.: 621.382 / KEN/E