Ballesteros, D., García-Ávila, M., B. Diez, J., Vila, R., Carlos Barros, X. ., Gutiérrez-Marco, J. C., Caldevilla, P., & Alemparte, M. (2021). Management of the Palaeozoic Palaeontological Heritage Associated With Metamorphic Bedrocks: Courel Mountains UNESCO Global Geopark (Spain). Geoconservation Research, 4(1). https://doi.org/10.30486/gcr.2020.1912243.1039