Authors
Jan Przybyłek
Adam Mickiewicz University, Institute of Geology, Krygowskiego 12, 61-680, Poznań, Poland
Krzysztof Dragon
Adam Mickiewicz University, Institute of Geology, Krygowskiego 12, 61-680, Poznań, Poland
Piotr Michał Jan Kaczmarek
Adam Mickiewicz University, Institute of Geology, Krygowskiego 12, 61-680, Poznań, Poland