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

 - 9 th ed. 
 - New Delhi  Pearson : Dorling Kindersley  2014 
 - 864 p.  PB  24 cm. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9789332518865 
<br/><br/><label>Subjects--Personal Names: </label>   _ 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Data network<br/>Computer networks<br/>Communication networks
<br/><br/><label>Dewey Class. No.: </label>004.6  / STA