@inproceedings{ML-1990-Hammond,
	author        = "Kristian J. Hammond",
	booktitle     = "{Proceedings of the Seventh International Workshop on Machine Learning}",
	isbn          = "1-55860-141-4",
	pages         = "204--210",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Learning and Enforcement: Stabilizing Environments to Facilitate Activity}",
	year          = 1990,
}