Stallings, Williamh C. <br/><br/>
Data and computer communications   

 - 5th edition.  
 - New Delhi :   Prentics Hall, Inc,   2000. 
<br/><br/><label>ISBN: </label>8120312406 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical Sciences
<br/><br/><label>Dewey Class. No.: </label>621.382  / STA