Winde, F., and J. van der Walt. 2013. “Uranium Contamination of Fluvial Systems. Mechanisms and Processes. Part II : Dynamics of Groundwater, Stream Interaction. A Case Study from Koekemoerspruit (South Africa)”. Cuadernos De Investigación Geográfica 28 (May). Logroño, SPA:59-74. https://doi.org/10.18172/cig.1128.