Comparison of steel-making processes. 

 - New York :    United Nations,    1962. 
 - viii, 83 p. :    ill., diagrs., tables ;    28 cm. 
 - United Nations. Document    ST/ECE/Steel/4 .
<br/><br/>  "United Nations publication. Sales no. : 62.II.E.4." 
<br/><br/>Includes bibliographical footnotes. 
<br/><br/><label>LCCN: </label>63-003072 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Steel -- Metallurgy.
<br/><br/><label>Gov. Doc. Class. No.: </label>UNO ST/ECE/STEEL/4