Authors
Czesław Dymarski
Gdansk University of Technology,, Gdansk, Poland
Paweł Dymarski
Gdansk University of Technology,, Gdansk, Poland
© 2017 Czesław Dymarski, Paweł Dymarski, Jędrzej Żywicki, published by Gdansk University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.