Korf, Richard, and Ethan Schreiber. “Optimally Scheduling Small Numbers of Identical Parallel Machines”. Proceedings of the International Conference on Automated Planning and Scheduling 23, no. 1 (June 2, 2013): 144–152. Accessed May 25, 2026. https://ojs.aaai.org/index.php/ICAPS/article/view/13544.