TOPOLNIK, Dražen; PUŠIĆ, Marko; ZUKO, Radiš. Rail Systems for Public Urban Transport. Promet - Traffic&Transportation, [S. l.], v. 17, n. 3, p. 161–168, 2005. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2115. Acesso em: 27 aug. 2025.