Gurewith, Nathan <br/><br/>
Communication systems 

 - New York  Mcgraw hill  1992 
 - 344 p. 
<br/><br/> 20510 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics 
<br/><br/><label>Dewey Class. No.: </label>384  / G