Authors
Paweł M. Leśniak
Polish Geological Institute-National Research Institute, Warszawa, Poland
Andrzej Wilamowski
Polish Geological Institute-National Research Institute, Warszawa, Poland
© 2019 Paweł M. Leśniak, Andrzej Wilamowski, published by Adam Mickiewicz University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.