International comparisons of labour productivity in the iron and steel industry. 

 - New York :  Economic Commission for Europe ,  1967 
 - iii, 30p. :  ill. ;  28 cm. 
 - 67.II.E/Mim.9 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Iron and steel industry
<br/><br/><label>Dewey Class. No.: </label>672  / ECE