S. Ontañón, K. Mishra, N. Sugandh, and A. Ram. Proceedings of the Seventh International Conference on Case-Based Reasoning, page 164-178. Springer, (2007)
M. Ponsen, and P. Spronck. Computer Games: Artificial Intelligence, Design and Education, page 389-396. University of Wolverhampton, Reading, UK, (2004)
J. Laird, and M. van Lent. Proceedings of the Seventeenth National Conference on Artificial Intelligence and Twelfth Conference on Innovative Applications of Artificial Intelligence, page 1171--1178. AAAI Press / The MIT Press, (2000)