Biswas, Nripendra N. <br/><br/>
Principles Of Telephony 

 - Bangalore  Radiants Books  2000 
 - 138  Yes  22cm 
<br/><br/> Principles, Telephony 
<br/><br/>
<br/><br/><label>ISBN: </label>81-85273-09-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication
<br/><br/><label>Dewey Class. No.: </label>621.385 B621p 1988