Singh, Brijendra <br/><br/>
Data communications and computer networks / 
Brijendra Singh 
 - 2nd ed. 
 - New Delhi :  Prentice-Hall of India ,  2009 
 - xiv, 357 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (349-353) and index 
<br/><br/><label>ISBN: </label>9788120329690 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems<br/>Computer networks