@InProceedings{ 2013aamas-kmeans-abstraction,
  Title = "Evaluating State-Space Abstractions in Extensive-Form Games",
  Author = "Michael Johanson and Neil Burch and Richard Valenzano and Michael Bowling",
  Booktitle = "Proceedings of the Twelfth International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS)",
  Year = "2013"
}