Authors
Monika Niska
Institute of Geography and Regional Studies, Pomeranian University in Słupsk, Słupsk, Poland
Joanna Gadziszewska
Institute of Geography and Regional Studies, Pomeranian University in Słupsk, Słupsk, Poland
Jerzy Jonczak
Department of Soil Environment Sciences, Warsaw University of Life Sciences, Warsaw, Poland
Wacław Florek
Institute of Geography and Regional Studies, Pomeranian University in Słupsk, Słupsk, Poland
Bogusława Kruczkowska
Department of Soil Environment Sciences, Warsaw University of Life Sciences, Warsaw, Poland