Carro, B., J. Borrego, N. López-González, J.A. Grande, T. Gómez, M.L. de la Torre, and T. Valente. “Impact of Acid Mine Drainage on the Hydrogeochemical Characteristics of the Tinto-Odiel Estuary (SW Spain)”. Journal of Iberian Geology 37, no. 1 (October 5, 2011): 87–96. https://doi.org/10.5209/rev_JIGE.2011.v37.n1.6.