up to index Created by W.Langdon from gp-bibliography.bib Revision:1.8081
GP coauthors/coeditors: Penousal Machado, Tiago Martins, Joao Nuno Goncalves Costa Cavaleiro Correia, Luis Espirito Santo, Nuno Lourenco, Sergio M Rebelo, Pedro Martins, Joao Bicker,