@inproceedings{KR-1989-Davis,
	author        = "Ernest Davis",
	booktitle     = "{Proceedings of the First International Conference on Principles of Knowledge Representation and Reasoning}",
	isbn          = "1-55860-032-9",
	pages         = "79--82",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Solutions to a Paradox of Perception with Limited Acuity}",
	year          = 1989,
}