Man-hours per unit of output in the basic steel industry, 1939-55. 

 - Washington,  U.S. Govt. Print. Off.,  1956. 
 - iv, 40 p.  illus.  27 cm. 
 - Its Bulletin  no. 1200 .
 - United States.  Bureau of Labor Statistics.  Bulletin  no. 1200. .
<br/><br/><label>LCCN: </label>l  56000144  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor productivity--United States.<br/>Steel industry and trade--United States.
<br/><br/><label>LC Class. No.: </label>HD8051  / .A62 no. 1200 
<br/><br/><label>Dewey Class. No.: </label>338.476691