Isrd Group. <br/><br/>
Data communication and computer network 

 - New Delhi :  Tata Mcgraw Hill Publishing Company Ltd,  1994 
 - 340. 
<br/><br/><label>ISBN: </label>0070616825  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data processing computer science
<br/><br/><label>Dewey Class. No.: </label>004.6  / ISR