Shay, William A. <br/><br/>
Understanding data communications and networks / 
William A. Shay. 
 - 2nd ed. 
 -  Brooks/Cole Publishing  1999. 
<br/><br/>8205 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Data transmission systems.
<br/><br/><label>LC Class. No.: </label>TK5105  / Sha.