William Stallings <br/><br/>
Data and computer communications 

 - 2nd 
 - New York  Macmillan   1988 
 - 653 p 
<br/><br/><label>ISBN: </label>0024154512 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks
<br/><br/><label>LC Class. No.: </label>TK 5105 .S73/