Publications by the researcher in collaboration with Humberto Astibia Ayerra (4)

1997

  1. Análisis preliminar de los ostrácodos del Mioceno Inferior de las Bardenas Reales de Navarra: (Cuenca del Ebro)

    Geogaceta, Núm. 22, pp. 129-132

1990

  1. The fossil vertebrates from Lano (Basque Country, Spain); new evidence on the composition and affinities of the Late Cretaceous continental faunas of Europe

    Terra Nova, Vol. 2, Núm. 5, pp. 460-466

1987

  1. The Cretaceous-Tertiary boundary in a sector of the south limb of the Miranda-Treviño synclinal: the first appearance of chelonia and archosauria in the Basque country

    Cretaceous Research, Vol. 8, Núm. 1, pp. 15-27

1985

  1. Quelonios y arcosaurios en el Cretácico Superior del País Vasco: nota preliminar

    Kobie. Ciencias naturales, Núm. 15, pp. 195-198