Shperberg, Shahaf, and Ariel Felner. “On the Differences and Similarities of FMM and GBFHS”. Proceedings of the International Symposium on Combinatorial Search 11, no. 1 (September 1, 2021): 66–74. Accessed May 7, 2026. https://ojs.aaai.org/index.php/SOCS/article/view/18536.