1. Anderson, D., Tannehill, J., Pletcher, R.: Computational fluid mechanics and heat transfer. New York, London. McGraw-Hill 1984.
2. Buggisch, H., Stadler, R.: On the relation between shear rate and stresses in one-dimensional steady flow of moist bulk solids. In: Proc. World Congress Particle Technology, Part III, Mechanics of pneumatic and hydraulic converging and mixing (Leschonski, K., ed.), pp. 187?202, Nürnberg, Germany 1984.
3. Davies, T. R. H.: Spreading of rock avalanche debris by mechanical fluidization. Rock Mech.15, 9?29 (1982).
4. Erismann, T.: Flowing, rolling, bouncing, sliding: synopsis of basic mechanisms. Acta Mech.64, 101?110 (1986).
5. Gubler, H.-U.: Measurements and modelling of snow avalanche speeds. In: Avalanche formation, movement and effects (Salm, B., Gubler, H.-U., eds.), pp. 405?420. IAHS Publ.162 (1987).