Held, Gilbert <br/><br/>
IBM PC and PC XT: user's reference manual 
Gilbert Held 
 - 2nd 
 - New Delhi  BPB Pub.  1987 
 - 479 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microcomputers
<br/><br/><label>Dewey Class. No.: </label>004.16  / HEL M7