Authors
Dariusz Wrzesiński
Adam Mickiewicz University, Institute of Physical Geography and Environmental Planning, Chair of Hydrology and Water Management, Bogumiła Krygowskiego 10 str., 61-680, Poznań, Poland
Leszek Sobkowiak
Adam Mickiewicz University, Institute of Physical Geography and Environmental Planning, Chair of Hydrology and Water Management, Bogumiła Krygowskiego 10 str., 61-680, Poznań, Poland