Mineral resources development with particular reference to the developing countries : Department of Economic and Social Affairs

For the purpose of this report, the tern "mineral resources", meaning natural mineral concentrations capable of exploitation, will embrace both mineable products, notaby metallic minerals, minerals used in the chemical and quarried products such as cement and construction materials, clays,...

詳細記述

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書誌詳細
共著者: United Nations, Department of Economic and Social Affairs
フォーマット: 図書
言語:Undetermined
出版事項: New York United Nations 1970
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Thư viện lưu trữ: Trung tâm Học liệu Trường Đại học Cần Thơ

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