Kalli, Juha, Reetta Saikku, Sari Repka, and Ulla Tapaninen. “Maritime Traffic Externalities in the Gulf of Finland until 2030”. Transport 27, no. 1 (March 31, 2012): 92-101. Accessed November 12, 2024. https://mla.vgtu.lt/index.php/Transport/article/view/4920.