Correia, T. A.; Campos, M. L.; Almeida, J. A. de; Miquelluti, D. J.; Souza, M. C. Zeolite Characterization in the City of Urupema, SC, and Its Ability to Remove Cu+2 from Water Solutions. Rev. Ciênc. Agrovet. 2010, 9, 29-38.