@inproceedings{TAV-1989-Perry,
	author        = "D. Perry",
	booktitle     = "{Proceedings of the Third Symposium on Testing, Analysis, and Verification}",
	doi           = "10.1145/75308.75322",
	pages         = "114--121",
	publisher     = "{ACM}",
	title         = "{The Logic of Propagation in the Inscape Environment}",
	year          = 1989,
}