Derfler ,Frank J. <br/><br/>
Infowords Essential Guide to the IBM PC 

 - NA 
 - New York  1984 
 - 244 
<br/><br/><label>ISBN: </label>0-06-669002-1 
<br/><br/><label>Subjects--Personal Names: </label><br/>Computer Science
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science, information & general works