1. Jensen, J., Sørensen, M.: On the mathematical modeling of aeolian saltation, in: Mechanics of sediment transport (Mutlu Sumer, B., Müller, A., eds.),. pp. 65?72. Rotterdam: Balkema 1983.
2. Ungar, J. E., Haff, P. K.: Steady state saltation in air. Sedimentology (in press).
3. Sneed, E. D., Folk, R. L.: Pebbles in the Lower Colorado River, Texas. A study in particle morphogenesis. J. Geol.66, 114?150 (1958).
4. Willetts, B. B., Rice, M. A.: Practical representation of characteristic grain shape of sands: a comparison of methods. Sedimentology30, 557?565 (1983).
5. Willetts, B. B., Rice, M. A.: Inter saltation collisions. Proceedings of the International Workshop on the Physics of Blown Sand, 1985. In: Memoirs No. 8, Dept. Theor. Statist., Aarhus University, Denmark. In Press.