HUNT, Ülo. Forecasting of railway freight volume: Approach of Estonian railway to arise efficiency. Transport, [S. l.], v. 18, n. 6, p. 255–258, 2003. DOI: 10.3846/16483840.2003.10414107. Disponível em: https://journals.vilniustech.lt/index.php/Transport/article/view/8650. Acesso em: 29 jun. 2025.