Shay, William A. <br/><br/>
Understanding Data Communications and Networks 

 - Southbank, Victoria:  Thomson Brooks/Cole,  2004 
 - xxv, 766 p. :   ill. ; 24 cm. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0 534 38317 3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data communications
<br/><br/><label>Dewey Class. No.: </label>004.6