Martin, James. <br/><br/>
Telecommunication and the computer   

 - 3rd edition. 
 - New Delhi :   Prentice Hall,   1998. 
 - VII, 532 ;  
<br/><br/><label>ISBN: </label>8120307712 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical Sciences
<br/><br/><label>Dewey Class. No.: </label>621.382  / MAR