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by Acha, Enrique; Roncero-Sánchez, Pedro; de la Villa-Jaen, Antonio; et al.
by Beagle, Robert M.; Berardi, Jeffrey J.; Brond, David L.; et al.
by Rivera, Luis M.; Beatty, Danielle L.; Bettencourt, Ann
by M., Susana Escarabajal; T., Luis Martinez
by Farinha, Luis M. Carmo; Ferreira, Joa~o J. M.; Smith, Helen Lawton; et al.
by Rosado, Luis A.; Cavallo, Ann, Ph.D.; Curtis, Mary, Ph.D.; et al.
by Botana, Luis M.; Alfonso, Amparo
by Fernandes, Luis M. A.
by Orozco, Guillermo Hernández; Piñón, Francisco Alberto Pérez; Márquez, José Luis Evangelista; et al.
by Botana, Luis M.; Louzao, M. Carmen; Vilarino, Natalia