@inproceedings{ICML-2002-Hengst,
	author        = "Bernhard Hengst",
	booktitle     = "{Proceedings of the 19th International Conference on Machine Learning}",
	isbn          = "1-55860-873-7",
	pages         = "243--250",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Discovering Hierarchy in Reinforcement Learning with HEXQ}",
	year          = 2002,
}