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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. ; 28 cm. - Report of investigations ; 9087 . - Report of investigations (United States. Bureau of Mines) ; 9087. .

Bibliography: p. 17-18.

LCCN: 86607956

Subjects--Topical Terms:
Metallurgy.
Carbonyl compounds.
Strategic materials.

LC Class. No.: TN43 TN673 / .U43 no. 9087

Dewey Class. No.: 622 s 669/.73

Gov. Doc. Class. No.: I 28.23:9087