Held,Gibert <br/><br/>
Data communication and networking devices/ 
Gilbert Held 
 -  John Wiley & Sons,  1986 
<br/><br/><label>ISBN: </label>471909475 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data Communication
<br/><br/><label>Dewey Class. No.: </label>004.6  / HEL