Authors
Andrzej Sadurski
Faculty of Earth Sciences, Nicolaus Copernicus University, Toruń, Poland
Zenon Wiśniowski
Pomeranian Branch of Polish Geological Institute NRI, Szczecin, Poland
© 2019 Ryszard Hoc, Andrzej Sadurski, Zenon Wiśniowski, published by Adam Mickiewicz University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.