1. Cross, J.E., Haworth, A., Neretnieks, I., Sharland, S.M. & Tweed, CJ. (1991). Modelling of Redox Front and Uranium Movement in a Uranium Mine at Poços de Caldas. Ra-diochimica Acta. 53/53.p. 445-451.(1991).
2. Fernandes, H.M. (1997) Subsídios ao Descomissionamento ad Primeira Indústria e Mineração e Benefìciamento de Urânio no Brasil - O Caso do Complexo Mínero Industrial de Poços de Caldas - Niterói. (D.Sc. Thesis) Departamento de Geoquímica da Universidade Federal Fluminense. pp. 250. (in Portuguese)
3. Morin, K. & Hurt (1994) N., An Empirical Technique for Predicting the Chemistry of Water Seeping from Mine-Rock Piles. In: International Land Reclamation and Mine Drainage Conference on the Abatement of Acid Drainage. Pittsburgh. 12-19.
4. Nordstrom, D.K., Puigdomènech, I. & McNutt, R.H. (1990) Geochemical Modelling of Water-Rock Interactions at the Osamu Utsumi Mine and Morro do Ferro Analogue Study Sites, Poços de Caldas, Brazil Swedish Nuclear Fuel and Waste Management Co. SKB Technical Report 90-23. 733p.
5. Ritchie, A.I.M. (1995) Application of Oxidation Rates in Rehabilitation Design. In: Second Australian Acid Mine Drainage Workshop. Eds. N.J. Grundon & L.C. Bell, Charles Town, p. 101 - 116.