GUIDE to operations 

 - Boca Raton  International Business Machines Corporation  1982 
 - varide paging 
<br/><br/><label>ISBN: </label>121800 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer hardware
<br/><br/><label>Dewey Class. No.: </label>621.398  / GUI