Mineral processing in developing countries.
Material type:
TextPublication details: New York : United Nations, 1980.Subject(s): DDC classification: - 338.2/09172/4 19
- HD9506.D452 R33 1980
At head of title: United Nations Industrial Development Organization.
Prepared by Marian Radetzki and Stephen Zorn.
"ID/253"--P. 4 of cover.
"United Nations publication sales no. E.80.II.B.5"--P. 4 of cover.
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