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

Bibliografische gegevens
Coauteur:	United Nations. Department of Economics and Social Affairs
Formaat:	Boek
Taal:	English
Gepubliceerd in:	New York 1955.
Reeks:	United Nations [Document] E/2655/ST/ECA/27
Onderwerpen:	Iron ores. Iron industry and trade.