Held, Gilbert . <br/><br/>
IBM PC AND PC XT: User's Refence Manual/ 
Gilbert Held 
 - New Delhi :   BPB Pub,   1987 
 - xvii, 328 p. : (vol.iii)  ill. ;   22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programming;Computer programme
<br/><br/><label>Dewey Class. No.: </label>4.125  / HEL 1987.