Barry, John R. Digital communication / by Johan R Barry, Edward A. Lee and David G Messerschmitt. - 3rd ed / . - NewDelhi : Springer (India) , 2010. - xvi,838p. : illus.,figs.,tables ; 24cm. 1 CD . Includes index ISBN: Rs. 395.00 (Pbk) Subjects--Index Terms: DIGITAL COMMUNICATIONS Dewey Class. No.: 621.382 / BAR/D