Hermanns, R. L., Oppikofer, T., Dahle, H., Eike, T., Ivy-Ochs, S. and Blikra, L. H. (2013) “Understanding long-term slope deformation for stability assessment of rock slopes: the case of the oppstadhornet rockslide, norway”, Italian journal of engineering geology and environment, pp. 255–264. doi: 10.4408/IJEGE.2013-06.B-23.