Shay, Wailliam A. <br/><br/>
Understanding data communications and networks. 

 - 1 
 - Boston  PWS Publishing company  1995 
 - xvi,600 
<br/><br/><label>ISBN: </label>0534202446 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Networks
<br/><br/><label>Dewey Class. No.: </label>004.6 SHAW