Lu, Xiao-Shan, and Ren-Yong Guo. “A Bi-Objective Model for Siting Park-and-Ride Facilities With Spatial Equity Constraints”. Promet - Traffic&Transportation 27, no. 4 (August 31, 2015): 301-308. Accessed April 20, 2024. http://traffic.fpz.hr/index.php/PROMTT/article/view/1584.