Authors
Zbigniew Kordalski
Polish Geological Institute – NRI, Marine Geology Branch in Gdańsk, Gdańsk, Poland
Andrzej Sadurski
Nicholaus Copernicus University, Faculty of Earth Sciences, Toruń, Poland
© 2019 Zbigniew Kordalski, Andrzej Sadurski, published by Adam Mickiewicz University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.