- Rabal-Garcés, Raquel., et all. "A Cave Occupied by Cave Bears for Thousands of Years in the Sobrarbe-Pirineos UNESCO Global Geopark (Huesca, Aragon, Spain)." Geoconservation Research (Geoconserv. Res.), vol. 4, no. 2, pp. 710-719, https://doi.org/10.30486/gcr.2021.1912254.1042