1. Ahonen, L., Ervanne, H., Jaakola, T., and Blomqvist, R.: 1994,Radiochim. Acta,XX, 1–7. ]
2. Allison, J. D. and Brown, D. S.: 1995, "MINTEQA2/PRODEFA2 - A geochemical speciation model and interactive preprocessor," In Chemical Equilibrium and Reaction Models, R.H. Loeppert, A.P. Schwab, and S. Goldberg, editors, Soil Science Society of America Special Publication Number 42, 253–270.
3. Allison, J. D., Brown, D. S., and Novo-Gradac, K. J.: 1991 “MINTEQA2/PRODEFA2, a geochemical assessment model for environmental systems: Version 3.00 user's manual,” EPA-600/3-91-021.
4. Baes, C. F., Jr., Reardon, E. J., and Moyer, B. A.: 1993,J. Phys. Chem.,97, 12343–12348.
5. Ball, J. W. and Nordstrom, D. K.: 1985, “Major and trace-element analyses of acid mine waters in the Leviathan mine drainage basin, Califomia/Nevada — October, 1981 to October, 1982,” U.S. Geological Survey Water-Resources Investigations Report 85-4169.