Publications by the researcher in collaboration with C. Peña (2)

1999

  1. Empreintes de dinosaures dans La Rioja (Espagne)

    Almadar, Vol. 11, pp. 109-132

1993

  1. Tracks of a herd of webbed ornithopods and other footprints found in the same site

    Revue de Paleobiologie, Vol. 7 SPECIAL, pp. 29-36