1. The flow of cohesionless grains in fluids;Bagnold;Philos. Trans. R. Soc. London,1956
2. Bartelt, P.A., Gruber, U., 1997. Development and calibration of a Voellmy-fluid dense snow avalanche model based on a finite element method. Swiss Federal Institute for Snow and Avalanche Research Internal Report No. 714, Davos.
3. Bartelt, P.A, Gruber, U., Salm, B., 1997a. Numerical Modeling of Dense Snow Avalanches using a Voellmy-fluid flow law solved by a Finite Difference Method. Swiss Federal Institute for Snow and Avalanche Research, Internal Report No. 716, Davos.
4. Bartelt, P.A, Salm, B., Gruber, U., 1997b. Modelling dense snow avalanche flow as a Criminale–Ericksen–Filby fluid without cohesion. Swiss Federal Institute for Snow and Avalanche Research, Internal Report No. 717, Davos.
5. Statistical prediction of snow avalanche runout, from terrain variables in Colorado;Bovis;Arct. Alp. Res.,1976