Authors
Ewa Szymczak
Institute of Oceanography, University of Gdańsk Department of Marine Geology, Gdynia, Poland
Dorota Galińska
Institute of Oceanography, University of Gdańsk Department of Marine Geology, Gdynia, Poland
© 2013 Ewa Szymczak, Dorota Galińska, published by University of Gdańsk
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.