Cobalt. : With the assistance of the Statistical and Indexing Sections of the Mineral Resources Division. - Andrew, R. W.; Directorate of Overseas Geological Surveys (Great Britain) (London : H. M. Stationery off, 1962)
At head of title: Overseas Geological Surveys, Mineral Resources Division.
Bibliography: pages 189-212.
Mode of access: Internet.
Keywords: Cobalt