TIAN, Yanfei; SUN, Xuecheng; CHEN, Lijia; HUANG, Liwen. Risk Assessment of Nautical Navigational Environment Based on Grey Fixed Weight Cluster. Promet - Traffic&Transportation, [S. l.], v. 29, n. 3, p. 331–342, 2017. DOI: 10.7307/ptt.v29i3.2238. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2670. Acesso em: 26 aug. 2025.