Iron and steel scrap: its significance and influence on further developments in the iron and steel industries,
United Nations, .
.
Iron and steel scrap: its significance and influence on further developments in the iron and steel industries.
New York and Geneva: United Nations, .
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Iron and steel scrap: its significance and influence on further developments in the iron and steel industries,
New York and Geneva: United Nations
().
Iron and steel scrap: its significance and influence on further developments in the iron and steel industries. Eighth updating. New York and Geneva: United Nations.