United States. Labor Statistics, Bureau of-. <br/><br/>
Studies of automatic technology; a case study of a modernized petroleum refinery   

 - Washington  The Auth.  1956 
 - iii, 44p. 
 - Bureau of Labor Statistics report No. 120 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>658.9653  / Un58.SA