M. J. Espitia R., Octavio Salcedo Parra., and J. H. Díaz F., “DFT study of the pressure influence on the electronic and magnetic properties of Ga$_{x}$Mn$_{1-x}$N compound”, Rev. Mex. Fís., vol. 59, no. 5, pp. 488–0, Jan. 2013.