Cárdenas-García, D., López-Téllez, E., ., & Ruíz-Mejía, C. (1988). The polarization energy of a next nearest cation-vacancy complex in alkali halide crystals. Revista Mexicana De Física, 35(2), 244–254. Retrieved from https://rmf.smf.mx/ojs/index.php/rmf/article/view/2049