Housley, T  <br/><br/>
Data communication & teleprocessing systems-second edition 

 - Hyderabad :  Bs Pub,  2005. 
 - xxiii,803 
<br/><br/><label>ISBN: </label>81-7800-075-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer EngineeringInformation Technology
<br/><br/><label>Dewey Class. No.: </label>004.6  / HOU