Kezić, Danko, Igor Vujović, and Anita Gudelj. “Petri Net Approach of Collision Prevention Supervisor Design in Port Transport System”. Promet - Traffic&Transportation 19, no. 5 (1): 269-275. Accessed May 3, 2024. https://traffic.fpz.hr/index.php/PROMTT/article/view/961.