This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Józef Górski
Institute of Geology, Department of Hydrogeology and Water Protection, Adam Mickiewicz University, Maków Polnych 16, 61-606 Poznań, Poland
Marcin Siepak
Institute of Geology, Department of Hydrogeology and Water Protection, Adam Mickiewicz University, Maków Polnych 16, 61-606 Poznań, Poland