Iron and steel industry / 
Based an the proceedings of the International Symposium on Industrial Development ; Athens, november-december, 1967 
 - 78 páginas 
 - Unido (United Nations Industrial Development Organization) ;  5 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Acero--Industria y comercio<br/>Industria siderúrgica
<br/><br/><label>LC Class. No.: </label>HD9525  / N52