Hess, M., Kos, S. and Hess, S. (1) “Queuing System in Optimization Function of the Port’s Bulk Unloading Terminal”, Promet - Traffic&Transportation, 19(2), pp. 61-70. Available at: http://traffic.fpz.hr/index.php/PROMTT/article/view/936 (Accessed: 9April2020).