About this article
Published Online: Aug 30, 2019
Page range: 25 - 34
Received: Nov 03, 2018
Accepted: Dec 15, 2018
DOI: https://doi.org/10.2478/phr-2019-0002
Keywords
© 2019 Bogdan Żak et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Żak, Bogdan
Faculty of Mechanical and Electrical Faculty, Polish Naval Academy in GdyniaPoland
Garus, Jerzy
Faculty of Mechanical and Electrical Faculty, Polish Naval Academy in GdyniaPoland