Held, G. <br/><br/>
Data communications  networking devices/ 
Gilbert Held 
 - 3rd 
 - New York:  John Wiley & Sons,  1992 
 - xx, 653p.:  ill.;   25 cm. 
<br/><br/> Includes bibliographical references and index.  book 
<br/><br/><label>ISBN: </label>9780471930723 
<br/><br/><label>Source: </label> Purchase 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Computer Networks<br/>Data transmission systems<br/>Computer networks--Equipment and supplies
<br/><br/><label>LC Class. No.: </label>TK5105.5   / .H44 1992