Survey of lead and zinc mining and smelting in Burma . General report prepared for the Govérnment of Burma by the United Nations acting as executing agency for the United Nations development programme
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Survey of lead and zinc mining and smelting in Burma . General report prepared for the Govérnment of Burma by the United Nations acting as executing agency for the United Nations development programme
Birmanie, Programme des Nations Unies pour le développement
Autre
Première publication : 1966