HOLM, Caj; ANŽEK, Mario; KAŠTELA, Slobodan. Travel Time Information Service Utilising Mobile Phone Tracking. Promet - Traffic&Transportation, [S. l.], v. 16, n. 4, p. 211–216, 2004. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2086. Acesso em: 26 aug. 2025.