K. Wojewódzka-Król, R. Rolbiecki. “Grounds and Opportunities for the Development of Passenger and Cargo Shipping on the Lower Vistula”. Acta Energetica, no. 02 (June 30, 2013): 106–117. Accessed May 17, 2024. https://www.actaenergetica.org/index.php/journal/article/view/340.