Umesh Sinha <br/><br/>
Principles of communication engineering 

 - 3 
 - New Delhi  Satya Prakashan  1988 
 - xv, 837p.  
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication -- Telecommunication<br/>Telecommunication