IBM (International Business Machines)  user's guide 
International Business Machines Corporation. 
 - United States  International Business Machines Corporation  1997 
 - xvi, 196p.; 24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating System; Computer Application.
<br/><br/><label>Dewey Class. No.: </label>005.43  / I03I