RUŽIĆ, Ivica; PEČAR-ILIĆ, Jadranka. European Unique Hull Identification Number for Inland Navigation. Promet - Traffic&Transportation, [S. l.], v. 18, n. 2, p. 83–88, 2006. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2154. Acesso em: 26 aug. 2025.