Biswas, Nripendra N. <br/><br/>
Principles of Carrier Communication 
/ by Nripendra N. Biswas 
 - Bombay:  Media Promoters & Publishers Pvt. Ltd.,  1994. 
 - viii, 232p.; 
<br/><br/><label>ISBN: </label>8165099189 
<br/><br/><label>Dewey Class. No.: </label>621.38  / BIS/P