1. Selby, M.J.: Hillslope Materials and Processes. Oxford University Press, Oxford (1993)
2. Cruden, D.M.; Varnes, D.J.: Landslides: investigation and mitigation. Chapter 3—Landslide types and processes. Transportation research board special report, 247 (1996)
3. Dorren, L.K.: A review of rockfall mechanics and modelling approaches. Prog. Phys. Geogr. 27(1), 69–87 (2003)
4. Vijayakumar, S.; Yacoub, T.; Curran, J.H.: On the effect of rock size and shape in rockfall analyses. In Proceedings of the US Rock Mechanics Symposium (ARMA) San Francisco CA, USA, (2011)
5. Bull, W.B.; King, J.; Kong, F.; Moutoux, T.; Phillips, W.M.: Lichen dating of coseismic landslide hazards in alpine mountains. In Geomorphology and Natural Hazards, pp. 253–264 (1994)