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

 - 3rd. 
 - Singapore  Thomson Learning  2004 
 - xxv, 766p.  24cm. 
<br/><br/><label>ISBN: </label>0534383173 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INTERFACING AND COMMUNICATIONS
<br/><br/><label>Dewey Class. No.: </label>004.6  / SHA