Held, Gilbert. <br/><br/>
IBM PC and PC XT: users reference manual.  Users reference manual. 

 - 2 
 - New Delhi  BPB Publications  1987 
 - 478 
<br/><br/><label>Subjects--Topical Terms: </label><br/>None
<br/><br/><label>Dewey Class. No.: </label>005.362 HELG