1. The impact of climate and man on the land transformation in Central Sudan — Application of remote sensing;Ahlcrona;Medd. Lunds Univ. Geogr. Inst. Avh.,1988
2. Equilibrium, scale and inheritance in geomorphology;Ahnert;Geomorphology,1994
3. Vegetation and sand mobility in the Australian desert dunefield;Ash;Z. Geomorphol.,1983
4. The use of tree mounds as benchmarks of previous land surfaces in a semi-arid tree savanna, Botswana;Biot,1990
5. Les vents et les couloirs éoliens dans le centre et sud Tunisiens;Chabani,1989