Santiago-Pérez, D., F. de León-Pérez, and R. Pérez-Álvarez. “Force Constants and Dispersion Relations for the Zincblende and Diamond Structures Revisited”. Revista Mexicana De Física, vol. 52, no. 2, Jan. 2006, pp. 163-0, https://rmf.smf.mx/ojs/index.php/rmf/article/view/3446.