Chakravarty, S. K. <br/><br/>
Telecom scenario :  Alexander Graham Bell / 
S. K. chakravarty 
 - 2nd ed. 
 - Calcutta :  Indian book distributing Co.,  1997 
 - 166 p. :  ill. ;  21 cm. 
<br/><br/><label>ISBN: </label> Rs. 100.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems
<br/><br/><label>Dewey Class. No.: </label>384