International programmable controller's directory 
edited by Philip C. Flora 
 - Blue Ridge Summit, PA  TAB Books  1986 
 - 123 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers--Catalogs
<br/><br/><label>Dewey Class. No.: </label>629.8  / 95  / 0294