1. Nero, J.M., Dias, J.M., Torrinha, A.J., Neves, L.J., Torrinha J.A.: Environmental evaluation and remediation methodologies of abandoned radioactive mines in Portugal. In: Proceedings of an International Workshop on Environmental Contamination from Uranium Production Facilities and Remediation Measures, held in Lisbon 11–13 Feb 2004, pp. 145–158. International Atomic Energy Agency, Vienna (2005)
2. Carvalho, F.P., Oliveira, J.M.: Alpha emitters from uranium mining in the environment. J. Radioanal. Nucl. Chem. 274, 167–174 (2007)
3. Carvalho, F.P., Oliveira, J.M., Madruga, M.J., Lopes, I., Libanio, A., Machado, L.: Contamination of hydrographical basins in uranium mining areas of Portugal. In: Merkel, B.J., Hasche-Berger, A. (eds.) Uranium in the Environment: Mining Impacts, Consequences, pp. 691–702. Springer, Berlin (2006)
4. Carvalho, F.P., Oliveira, J.M., Libânio, A., Lopes, I., Ferrador, G., Madruga M.J.: Radioactivity in Public Water Supplies in the Uranium Mining Regions in Portugal. In: Proceedings of an International Workshop on Environmental Contamination from Uranium Production Facilities and Remediation Measures, held in Lisbon 11–13 Feb 2004, pp. 41–51. International Atomic Energy Agency, Vienna (2005)
5. Carvalho, F.P., Oliveira, J.M., Lopes, I., Batista, A.: Radionuclides from past uranium mining in rivers of Portugal. J. Environ. Radioact. 98, 298–314 (2007)