Principles of electronic communication systems 
Frenzel, Louis E., 1938- 
 - London :  Mc Graw Hill,  2014. 
 - 930 p.: 
<br/><br/><label>ISBN: </label>9781259255021 
<br/><br/><label>Subjects--Topical Terms: </label>--School of Pure and Applied Sciences
<br/><br/><label>LC Class. No.: </label>TK 5101   / .F74 2014 
<br/><br/><label>Dewey Class. No.: </label>TK 5101 .F74 2014