VTT Technical Research Centre of Finland-PURE Wendling, L, Kirby, J K & McLaughlin, M J 2007, Cobalt speciation and exchangeability in soils . in Y G Zhu, N Lepp & R Naidu (eds), Biogeochemistry of trace elements: Environmental protection, remediation and human health . Tsinghua University Press, pp. 1001-1002 .
VTT Technical Research Centre of Finland-PURE Wendling, L, Hettiarachchi, G M, Kirby, J K & McLaughlin, M J 2007, X-ray absorption spectroscopic investigations on cobalt speciation and ageing in soils . in Y G Zhu, N Lepp & R Naidu (eds), Biogeochemistry of trace elements: Environmental protection, remediation and human health . Tsinghua University Press, pp. 999-1000 .