Godbole, Achyut S. <br/><br/>
Data communications and networks / 

 - Second edition 
 - New Delhi :   Tata McGraw-Hill Education Private Limited,   c2011. 
 - xviii,   540 p. : ill. ;   24 cm. 
<br/><br/>Includes bibliographical references & index. 
<br/><br/><label>ISBN: </label>9780071077705 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Data transmission systems. <br/>2. Computer networks.
<br/><br/><label>Dewey Class. No.: </label>Circ. 004.6 G577d 2011