Carlson, A.B. <br/><br/>
Communication systems  an introduction to signals and noise in eletrical communication 

 - New York  McGraw-Hill Book Com.  1986 
 - xvii,686p.  20cm. 
<br/><br/><label>ISBN: </label>0071005609 
<br/><br/><label>Dewey Class. No.: </label> /