1. Effect of pH on the sorption of uranium in soils;Echevarria;Journal of Environmental Radioactivity,2001
2. GEOTRAP, 2002. GEOTRAP: radionuclide migration in geologic, heterogeneous media: summary of accomplishments. Nuclear Energy Agency (NEA) & Organisation for Economic Co-Operation and Development (OECD). OECD, Paris.
3. Soil reaction and exchangeable acidity;Hendershot,1993
4. Ion exchange and exchangeable cations;Hendershot,1993
5. DTPA-extractable Fe, Mn, Cu, and Zn;Liang,1993