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

Bibliografiska uppgifter
Institutionell upphovsman:	United Nations. Department of Economics and Social Affairs
Materialtyp:	Bok
Språk:	English
Publicerad:	New York 1955.
Serie:	United Nations [Document] E/2655/ST/ECA/27
Ämnen:	Iron ores. Iron industry and trade.