Radetzki, Marian
Mineral Processing In Developing Countries / by Marian Radetzki, Stephen Zorn - New York : United Nations, 1980 - xii, 143 pages .: graph, illustrations .; 24 cm
At head of title: United Nations Industrial Development Organization
"United Nations publication sales no. E.80.II.B.5"--P. 4 of cover.
Mineral industries --Developing countries
338.2091 / RAD 1980
Mineral Processing In Developing Countries / by Marian Radetzki, Stephen Zorn - New York : United Nations, 1980 - xii, 143 pages .: graph, illustrations .; 24 cm
At head of title: United Nations Industrial Development Organization
"United Nations publication sales no. E.80.II.B.5"--P. 4 of cover.
Mineral industries --Developing countries
338.2091 / RAD 1980