Authors
Eugeniusz Kozaczka
Gdansk University of Technology, Faculty of Ocean Engineering and Ship Technology, Narutowicza 11/12 80-233, Gdansk, Poland
Grażyna Grelowska
Gdańsk University of Technology,, Gdańsk, Poland
© 2017 Eugeniusz Kozaczka, Grażyna Grelowska, published by Gdansk University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.