Csirik, János, and Balázs Imreh. “On the Worst-Case Performance of the NkF Bin-Packing Heuristic”. Acta Cybernetica 9, no. 2 (January 1, 1989): 89-105. Accessed June 16, 2024. https://cyber.bibl.u-szeged.hu/index.php/actcybern/article/view/3358.