Lelis, L., S. Zilles, and R. Holte. “Time Complexity of Iterative-Deepening A*: The Informativeness Pathology (Abstract)”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 25, no. 1, Aug. 2011, pp. 1800-1, doi:10.1609/aaai.v25i1.8053.