H. Lohr et al., A data bank of archaelogical sites for the Trier region (Rhineland-Palatinate, Germany) to reconstruct location factor of pre-historical sites, Zeitschrift fur Geomorphologie. Supplementband Zeitschrift fur Geomorphologie. Supplement;Zeitschrift fur Geomorphologie. Supplementary issue Annals of geomorphology. Supplement;Annales de geomorphologie. Supplement, 128, 2002, pp. 17-29