Biozonación del Toarciense en el área de La Almunia de Doña Godina-Ricla (Sector Central de la Cordillera Ibérica) - 1990
Middle to Upper Jurassic (Callovian-Kimmeridgian) in the Arcos Plateau (Arino-Oliere area, eastern Iberian chain, Spain): Taphonomic analysis and biostratigraphy - 1997