López Mir, C., a., and D. Covarrubias Rosales. “Reduction of Multipath Effect through a Critical Scattering Zone in Microcell Environments”. Revista Mexicana De Física, vol. 51, no. 6, Jan. 2005, pp. 558-0, https://rmf.smf.mx/ojs/index.php/rmf/article/view/3409.