Citation: Weibel Robert et Brandli Martin, Adaptive methods for the refinement of digital terrain models for geomorphometric applications, Zeitschrift fur Geomorphologie. Supplementband Zeitschrift fur Geomorphologie. Supplement;Zeitschrift fur Geomorphologie. Supplementary issue Annals of geomorphology. Supplement;Annales de geomorphologie. Supplement, 101, 1995, pp. 13-30