Meng, Xuelei, Limin Jia, and Wanli Xiang. 2018. “A Petri Net Model of Train Operation Simulation for Harmonizing Train Timetables of Neighbor Dispatching Sections”. Promet - Traffic&Transportation 30 (6), 647-60. https://doi.org/10.7307/ptt.v30i6.2713.