UMESH SINHA <br/><br/>
TELEGRAPHY 
UMESH SINHA 
 - 1995,1ST ED., 
 -  SATHYA PRAKASHAN 
<br/><br/><label>ISBN: </label> INR 60.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics
<br/><br/><label>Dewey Class. No.: </label>621.383