Held, Gilbert <br/><br/>
IBM PC and PC  XT user's reference manual 

 - 2nd ed. 
 - Indianapolis   : Hayden Books,  1987. 
 - 479p.   : ill.   ; 24cm. 
<br/><br/>Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>IBM PC and PC XT user's reference manual
<br/><br/><label>LC Class. No.: </label>MATH QA76.8.I2595H45