Choudhury, D.R. <br/><br/>
Network and systems 

 - New Delhi  New Age International (P) Ltd.  1988 
 - xi,926p.  23cm. 
<br/><br/><label>ISBN: </label>8122400027 
<br/><br/><label>Dewey Class. No.: </label>621.3192  / C35N