KOCHEL, Peter. An Approximate Model for Fleet Sizing and Redistribution. Promet - Traffic&Transportation, [S. l.], v. 9, n. 5-6, p. 195–200, 2012. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/1834. Acesso em: 26 aug. 2025.