Indexes of output per man-hour petroleum refining industry, 1919-59. 

 - [Washington]  1962. 
 - i l., 20 p.  diagrs.  27 cm. 
<br/><br/> Cover title. 
<br/><br/><label>LCCN: </label>l  62000019  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum industry and trade--Labor productivity--United States.<br/>Petroleum--Refining.
<br/><br/><label>LC Class. No.: </label>HD9565  / .A5 1962