up to index Created by W.Langdon from gp-bibliography.bib Revision:1.8081
GP coauthors/coeditors: Valentin Calzada-Ledesma, Hector J Puga-Soberanes, Manuel Ornelas-Rodriguez, Alfonso Rojas-Dominguez, Juan Martin Carpio-Valadez, Jorge Alberto Soria-Alcaraz, Marco Aurelio Sotelo Figueroa,