1. IRSN 2010: Radionuclide sheet, Natural Uranium and the Environment. France: Inst. de Radioprotection et de Sureté Nucléaire, Accessed June 03, 2014
2. Suksi, J., Uranium—Past and Future Challenges: Proc. 7th Int. Conf. on Uranium Mining and Hydrogeology, Merkel, B.J. and Arab, A., Eds., Berlin: Springer, 2015.
3. Smedley, P.L., Smith, B., Abesser, C., and Lapworth, D., Uranium Occurrence and Behaviour in British Groundwater: British Geological Survey Commissioned Report, 2006, no. CR/06/050N. http://dwi.defra.gov.uk/research/completed-research/reports/0847.pdf. Accessed April 24, 2015.
4. Stalder, E., Blanc, A., Haldimann, M., and Dudler, V., Chemosphere, 2012, vol. 86, no. 6, p. 672.
5. Schnug, E. and Haneklaus, N., Uranium—Past and Future Challenges: Proc. 7th Int. Conf. on Uranium Mining and Hydrogeology, Merkel, B.J. and Arab, A., Eds., Berlin: Springer, 2015.