Trzciński, Karol, and Magdalena Zielińska. “Challenges and Development Directions of Membrane Bioreactors Operated on Passenger Ships in International Shipping”. Acta Universitatis Lodziensis. Folia Biologica Et Oecologica, vol. 17, Sept. 2021, pp. 42-47, https://doi.org/10.18778/1730-2366.16.13.