THERMAL REDUCTION OF Cu2+ IN PRESENCE OF Ag+ IN CLINOPTILOLITE: STRUCTURAL STUDY BY EXAFS AND HR-XRD. - CONCEPCIÓN-ROSABAL, B.; RODRÍGUEZ-IZNAGA, I.; PETRANOVSKII, V.; CHÁVEZ-RIVAS, F.; FIGUEROA, S. J. A.; PENTÓN-MADRIGAL, A. (Revista Cubana de Física, 2019)