Authors
Krzysztof Naus
Polish Naval Academy, Institute of Navigation and Hydrography, Śmidowicza 69 Str., 81-127, Gdynia, Poland
Andrzej Angel
Polish Naval Academy, Institute of Navigation and Hydrography, Śmidowicza 69 Str., 81-127, Gdynia, Poland
© 2017 Krzysztof Naus, Andrzej Angel, published by Polish Naval Academy
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.