1. Tests on snow beams, (internal report) Snow, Ice and Permafrost Research Establishment, (SIPRE);Bird,1953
2. Beitrag zu den theoretischen Grundlagen des Lawinenverbaus (Contribution to the theoretical foundations of avalanche defense construction);Bucher;Beitr. Geol. Schweiz, Geotech. ser. Hydrologie,1948
3. Res. Pap.;Butkovich,1954
4. Res. Pap.;Butkovich,1955
5. Die Scherfestigkeit von Schnee und Eis, Abhangigkeit von der Temperatur (Shear strength of snow and ice as a function of temperature);Fuchs;Veroff. Museum Ferdinandeum, Innsbruck,1949