Steel and its alternatives /  
prepared by the Secretariat. 
 - Geneva :    United Nations,    1956. 
 - i, 76, 15 p. :    tables ;    28 cm. 
 - United Nations. Document E/ECE/258, E/ECE/Steel/107 .
<br/><br/><label>Subjects--Topical Terms: </label><br/> Steel.<br/> Materials.