Authors
Andrzej Zawal
Department of Invertebrate Zoology and Limnology, University of Szczecin, Szczecin, Poland
Vladimir Pešić
Department of Biology, University of Montenegro, Montenegro
© 2015 Andrzej Zawal, Vladimir Pešić, published by University of Gdańsk
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.