Shay, William, A  <br/><br/>
Understanding data communicationand networks  

 - 2nd  
 - Brooks cole   Boston   1999 
 -  350 
<br/><br/><label>ISBN: </label>981-240-050-8  
<br/><br/><label>Subjects--Topical Terms: </label><br/>DATA COMMUNICATION 
<br/><br/><label>Dewey Class. No.: </label>005.71 SHA