Zhang, Qian, Qingcheng Zeng, and Hualong Yang. “A Lexicographic Optimization Approach for Berth Schedule Recovery Problem in Container Terminals”. Transport 31, no. 1 (March 22, 2016): 76–83. Accessed April 26, 2024. https://journals.vilniustech.lt/index.php/Transport/article/view/1376.