Frenzel Louis E <br/><br/>
Principles of electronic communication systems. 
Frenzel Louis E 
 - 3 
 - New Delhi  Tata McGraw-Hill       2008 
 - xiii,885p  cm. 
<br/><br/><label>Standard No.: </label>6247 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D65,4, P8