Genesis of Precambrian iron and manganese deposits; proceedings of the Kiev Symposium, 20-25 August 1970. Genèse des formations précambriennes de fer et de manganèse; actes du colloque de Kiev, 20-25 août 1970
Organized by Unesco, in collaboration with the International Association of Geochemistry and Cosmochemistry of the International Union of Geological Sciences and the Academy of Sciences of the Ukrainian S.S.R.