1. Über einige Formen der Bergzerreissung;Ampferer;Sitzungsber. Akad. Wiss. Wien, Math.-Naturwiss. Kl., Abt. 1,1939
2. On the cause of the 1911 landslide in the Pamirs;Bebepz;Geoli, Vystnik,1915
3. Stability of rock slopes in Norway;Bjerrum;Norw. Geotech. Inst. Publ.,1968
4. New knowledges of the geomorphology of the Vaiont slide slip surface;Broili;Rock Mech. Eng. Geol.,1967
5. The Conquest of Mt. McKinley.;Browne,1913