Kaminishikawahara, K. K.; Pereira, L. J.; Souza, Éder C. F. de; Arrúa, M. E. P.; Antunes, S. R. M.; Andrade, A. V. C. de; Alves, H. J.; Antunes, A. C. Transition Phases of Zeolite Faujasite Type to Sodalite by Thermal Treatment. Semin., Exact Tech. Scienc. 2015, 36, 71-84.