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

Bibliografski detalji
Autor kompanije:	United Nations. Department of Economics and Social Affairs
Format:	Knjiga
Jezik:	English
Izdano:	New York 1955.
Serija:	United Nations [Document] E/2655/ST/ECA/27
Teme:	Iron ores. Iron industry and trade.