Survey of world iron ore resources; occurence appraisal and use.

Detalles Bibliográficos
Autor Corporativo:	United Nations. Department of Economics and Social Affairs
Formato:	Libro
Idioma:	English
Publicado:	New York 1955.
Series:	United Nations [Document] E/2655/ST/ECA/27
Subjects:	Iron ores. Iron industry and trade.