Bentert, Matthias, Robert Bredereck, Péter Györgyi, Andrzej Kaczmarczyk, and Rolf Niedermeier. “A Multivariate Complexity Analysis of the Material Consumption Scheduling Problem”. Proceedings of the AAAI Conference on Artificial Intelligence 35, no. 13 (May 18, 2021): 11755-11763. Accessed January 26, 2022. https://ojs.aaai.org/index.php/AAAI/article/view/17397.