Shaham, Eshed, Ariel Felner, Nathan Sturtevant, and Jeffrey Rosenschein. 2021. “Minimizing Node Expansions in Bidirectional Search With Consistent Heuristics”. Proceedings of the International Symposium on Combinatorial Search 9 (1):81-89. https://doi.org/10.1609/socs.v9i1.18451.