Authors
Leszek Chybowski
Maritime University of Szczecin, Faculty of Marine Engineering ul. Wały Chrobrego 1-2, 70-500, Szczecin, Poland
Katarzyna Gawdzińska
prof. AM Maritime University of Szczecin, Faculty of Marine Engineering ul. Wały Chrobrego 1-2, 70-500, Szczecin, Poland
Bogusz Wiśnicki
Maritime University of Szczecin, Faculty of Economics and Transport Engineering ul. Pobożnego 11, 70-507, Szczecin, Poland