Publications dans lesquelles il/elle collabore avec Ángela Vallejos Izquierdo (8)

1999

  1. Tourism and Conservation of Underground Geological Heritage: The Cave of Marvels, (Aracena, SW Spain)

    Towards the Balanced Management and Conservation of the Geological Heritage in the New Millenium (Sociedad Geológica de España), pp. 361-364

1997

  1. Human impact in a tourist karstic cave (Aracena, Spain)

    Environmental Geology, Vol. 31, Núm. 3-4, pp. 142-149