Haykin, Simon S.. An introduction to analog and digital communications / Simon S. Haykin. - New York : John Wiley , 2001. - xvi,652p. : ill.,figs,tables ; 23cm. Floppy . Includes index and references ISBN: 9971511452 NULL Subjects--Index Terms: DIGITAL COMMUNICATIONS Dewey Class. No.: 621.382 / HAY/I