R J Deasington <br/><br/>
Practical guide to computer communications & networkin 

 - 2 
 -  Halstead Press  1984 
 - 126 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-470-20078-2 
<br/><br/><label>Dewey Class. No.: </label>004.738.5