CEROVAC, Vesna. Povezivanje podunavskoga plovnog sustava s Jadranom. Promet - Traffic&Transportation, [S. l.], v. 4, n. 1, p. 7–8, 2012. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/1698. Acesso em: 27 aug. 2025.