RADIŠIĆ, Zoran. Principal Types and Characteristics of Harbour Tugs. Promet - Traffic&Transportation, [S. l.], v. 15, n. 6, p. 381–386, 2003. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2054. Acesso em: 26 aug. 2025.