@misc{Zatoń-Sieczka_Kinga_An, author={Zatoń-Sieczka, Kinga and Czerniejewski, Przemysław}, address={Koszalin}, howpublished={online}, publisher={Politechnika Koszalińska}, language={eng}, type={artykuł w czasopiśmie}, title={An assessment of progress in the implementation of the BWM convention on ships as an important element in protecting aquatic ecosystems}, keywords={ballast water, foreign species, BWM convention, ballast water treatment, sea transport}, }