Stallings, William <br/><br/>
Data and computer communications 

 - 4 
 - New Delhi  Prentice-Hall of India  1991 
 - xv, 875p. : ill. ;  
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>8120310195 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication architecture<br/>Communication networking<br/>Data communication<br/>Integrated services digital networks<br/>ISDN