Authors: HERRMANN Ludger GRAEF Frieder WELLER Uli STAHR KARL.

Citation: Herrmann Ludger et al., Land use planning on the basis of geomorphic units:experience with the SOTER approach in Niger and Benin, Zeitschrift fur Geomorphologie. Supplementband Zeitschrift fur Geomorphologie. Supplement;Zeitschrift fur Geomorphologie. Supplementary issue Annals of geomorphology. Supplement;Annales de geomorphologie. Supplement, 124, 2001, pp. 111-123