Carlson, Bruce A <br/><br/>
Communication systems  :an introduction to signals and noise in electrical communication 

 - New Delhi  Mc Graw - Hill  1968 
 - 470p. 
<br/><br/><label>Subjects--Index Terms: </label>Signals - communications  Noise - communications  Electrical communication 
<br/><br/><label>Universal Decimal Class. No.: </label>621.39  / CAR