A ProtoG Algorithm Applied to the Traveling Salesman Problem. - Iloneide C. O. Ramos; Marco César Goldbarg; Elizabeth Ferreira Gouvea Goldbarg; Adrião Duarte Dória Neto; João P. F. Farias (SCCC, 2003)

Grasp with Path-Relinking for the Tsp. - Elizabeth Ferreira Gouvea Goldbarg; Marco César Goldbarg; João P. F. Farias (Metaheuristics, 2007)