Biogeochemistry of ancient and modern environments : proceedings of the Fourth International Symposium on Environmental Biogeochemistry (ISEB) and, Conference on Biogeochemistry in Relation to the Mining Industry and Environmental Pollution (Leaching Conference), held in Canberra, Australia, 26 August-4 September 1979 / editorial committee, P.A. Trudinger and M.R. Walter, B.J. Ralph
