Deasington,R.J <br/><br/>
A practical guide to computer communications and networking 

 - U.S.A  John Wiley & Sons  1982 
 - 132p. 
<br/><br/><label>ISBN: </label>0853124051 
<br/><br/><label>Dewey Class. No.: </label>621.381952  / D30P