[1]
Serrano-Cañadas, E. 1991. Glacial evolution of the upper Gallego Valley (Panticosa mountains and Ribera de Biescas, Aragonese Pyrenees, Spain). Pirineos. 138, (dic. 1991), 83–104. DOI:https://doi.org/10.3989/pirineos.1991.v138.191.