Metals, Metalloids, and Radionuclides in the Baltic Sea ...
Piotr Szefer
Acta Mineral. -Petrogr. Szeged 21, 141-153. Varentsov, I.M., 1980. Geochemistry of transition metals in the processes of ferromanganese ore formation in recent basins, in: Geology and Geochemistry of Manganese, eds. I.M. Varentsov and Gy .