Cernusca, Alexander, Ulrike Tappeiner, Michael Bahn, Neil Bayfield, Claudio Chemini, Federico Fillat, Werner Graber, Marc Rosset, Rolf Siegwolf, y John Tenhunen. 1996. «Ecomont Ecological Effects of Land Use Changes on European Terrestrial Mountain Ecosystems». Pirineos 147-148 (diciembre):145-72. https://doi.org/10.3989/pirineos.1996.v147-148.141.