Zhang W, Derudder B, Wang J, Witlox F. Approximating actual flows in physical infrastructure networks: the case of the Yangtze River Delta high-speed railway network. BGSS [Internet]. 2016 Feb. 29 [cited 2024 Jun. 30];(31):145-60. Available from: https://apcz.umk.pl/BGSS/article/view/bog-2016-0010