Authors
Teresa Abramowicz-Gerigk
Gdynia Maritime University, Faculty of Navigation, Department of Ship Operation,, Gdynia, Poland
Zbigniew Burciu
Gdynia Maritime University, Faculty of Navigation, Department of Ship Operation,, Gdynia, Poland
Jacek Jachowski
Gdynia Maritime University, Faculty of Navigation, Department of Ship Operation,, Gdynia, Poland