Abeywickrama, T. et al. 2021. <i>k</i>-Nearest Neighbors on Road Networks: Euclidean Heuristic Revisited. Proceedings of the International Symposium on Combinatorial Search. 9, 1 (Sep. 2021), 184–185. DOI:https://doi.org/10.1609/socs.v9i1.18443.