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by Perez-sanchez, Antonio
by Ortiz, Antonio Dominguez; Sanchez, Alfonso E. Perez; Gallego, Julian
by Requena, Antonio Trinidad; Sanchez, Margarita Perez
by Antonio Perez-Sanchez
by Fernandez-Manjon, Baltasar; Sanchez Perez, Juan Manuel; Gomez-Pulido, Juan Antonio