Citation: L. Guth P., Slope and aspect calculations on gridded digital elevation models: Examples from a geomorphometric toolbox for personal computers, Zeitschrift fur Geomorphologie. Supplementband Zeitschrift fur Geomorphologie. Supplement;Zeitschrift fur Geomorphologie. Supplementary issue Annals of geomorphology. Supplement;Annales de geomorphologie. Supplement, 101, 1995, pp. 31-52