Visnapuu, A.
Recovery of critical metals by carbonyl processing / by A. Visnapuu and L.C. George. - Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1987. - 18 p. - Report of investigations ; 9087 . - Report of investigations (United States. Bureau of Mines) ; 9087. .
89070125
Metallurgy.
Carbonyl compounds.
Strategic materials.
Recovery of critical metals by carbonyl processing / by A. Visnapuu and L.C. George. - Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1987. - 18 p. - Report of investigations ; 9087 . - Report of investigations (United States. Bureau of Mines) ; 9087. .
89070125
Metallurgy.
Carbonyl compounds.
Strategic materials.