1. Copper 99–Cobre 99, Hydrometallurgy of Copper;Alvarez,1999
2. Arranz, M., 1999. PhD Thesis. University of Barcelona.
3. The jarosite process—past, present and future;Arregui,1979
4. Ballester, A., Verdeja, L.F., Sancho, J., 2000. Metalurgia Extractiva, vol. I. Fundamentos, Editorial Sı́ntesis, Madrid, 182–189.
5. Cyanidation kinetics of argentian jarosite in alkaline media