Heuristic guided simulator for the operational planning of the transport of sugar cane. - Mauro H. Hahn; Raul V. Ribeiro (J. Oper. Res. Soc., 1999)

Income-Oriented Broadcast Access Planning with xDSL and APON-FTTC. - Marcos A. DeSousa; Raul V. Ribeiro; Joana Machado; Carlos M. F. Carlson; José R. F. Formigoni (DRCN, 2001)