1. Bolivar, J.P., 1995. Aplicaciones de la espectrometría gamma y alfa al estudio del impacto radioactivo producido por industrias no nucleares. Ph.D. Thesis, Seville University, Spain (in Spanish).
2. Eichrom Industries Inc., 2005. Eichrom: analytical procedure for the determination of Americium, Plutonium and Uranium in water. Analytical Procedures, UK, Ref. ACW03 Rev 2.1.
3. Method for multi-element alpha spectrometry of actinides and its application to environmental radioactivity studies;Holm;Talanta,1977
4. Separation and preconcentration of uranium from acidic media by extraction chromatography;Horwitz;Anal. Chim. Acta,1992
5. IAEA, 2006. Safety glossary, version 2.0. International Atomic Energy Agency.