Hermanns, R.L., Oppikofer, T., Anda, E., Blikra, L.H., Bohme, M., Bunkholt, H., Crosta, G.B., Dahle, H., Devoli, G., Fischer, L., Jaboyedoff, M., Loew, S., Saetre, S. and Yugsi Molina, F.X. 2013. Hazard and risk classification for large unstable rock slopes in norway. Italian journal of engineering geology and environment. (Nov. 2013), 245–254. DOI:https://doi.org/10.4408/IJEGE.2013-06.B-22.