Authors
Konrad Ćwirko
Faculty of Mechanics, Maritime University of Szczecin, Szczecin, Poland
Elwira Tomczak
Faculty of Process and Environmental Engineering, Lodz University of Technology, Łódź, Poland
Daniela Szaniawska
Faculty of Engineering and Economics of Transport, Maritime University of Szczecin, Szczecin, Poland
Ryszard Buczkowski
Faculty of Maritime Technology and Transport, Westpomeranian University of Technology, Szczecin, Poland