Silver, Gerald A. <br/><br/>
Data communications for business 

 - 2nd Edition 
 - Boston  Boyd & Fraser  1991 
 - 464p. 
<br/><br/><label>ISBN: </label> USD 55.95 
<br/><br/><label>Source: </label> USD 55.95 
<br/><br/><label>Dewey Class. No.: </label>658.028546 SIL