Eckerle J, Chen J, Sturtevant N, Zilles S, Holte R. Sufficient Conditions for Node Expansion in Bidirectional Heuristic Search. ICAPS [Internet]. 2017Jun.5 [cited 2024Jul.16];27(1):79-87. Available from: https://ojs.aaai.org/index.php/ICAPS/article/view/13825