Affiliation: | (1) Department for Economic, Social and Environmental History Institute of History, University of Bern, Unitobler, CH-3000 Bern 9, Switzerland;(2) Department of Geography, Masaryk University Kotlarská 2, CZ-61137 Brno, Czech Republic;(3) Institute of Geography, Würzburg University Am Hubland, D-97074 Würzburg, Germany |