Cernusca, A., Tappeiner, U., Bahn, M., Bayfield, N., Chemini, C., Fillat, F., Graber, W., Rosset, M., Siegwolf, R. y Tenhunen, J. (1996) «Ecomont Ecological Effects of Land Use Changes on European Terrestrial Mountain Ecosystems», Pirineos, 147-148, pp. 145–172. doi: 10.3989/pirineos.1996.v147-148.141.