Using Wordperfect 5.1 

 - xvi, 942 p. 
<br/><br/> Includes index  
<br/><br/><label>ISBN: </label>0880225548 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wordperfect 
<br/><br/><label>LC Class. No.: </label>Z52.5 .W65U85 1989