Barndorff-Nielsen, O. E., Jensen, J. L., Loft Nielsen, H., Rømer Rasmussen, K. & Sørensen, M. (1985). Windtunnel tracer studies of grain progress. I O. E. Barndorff-Nielsen, J. T. Møller, K. Rømer Rasmussen & B. B. Willetts (red.), Proceedings of the International Workshop on the Physics of Blown Sand: Aarhus, May 28-31, 1985 (Bind 2, s. 243-251). Department of Mathematical Sciences, Aarhus University.