Mingliang Yang, Zeyuan Xiang, XiJun Xu, Chongren Gao, Liqin Guo, Fei Chen. “Comparison and Analysis of Logistics Ring Track in Plant Area”. Design Engineering 2021, no. 02 (March 27, 2021): 421 - 433. Accessed May 19, 2024. http://www.thedesignengineering.com/index.php/DE/article/view/1176.