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

 - Boston  Mc Graw Hill  2002 
 - 850p. 
<br/><br/><label>ISBN: </label>0071210288 
<br/><br/><label>Subjects--Index Terms: </label>Signals  Analog communication systems  621.391.822 
<br/><br/><label>Dewey Class. No.: </label>621.391.822  / CHR