Biswas, Nripendra N. <br/><br/>
Princples of Telephony 
Nripendra N. Biswas 
 - Bombay  Asia Publishing  1970 
 - vii, 140p  
<br/><br/> Includes appendices and index 
<br/><br/><label>ISBN: </label>0-210-22312-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering I. Line Communication
<br/><br/><label>Dewey Class. No.: </label>TBB D66,48 L0