@inproceedings{SAC-2001-Jeffery,
	author        = "Clinton L. Jeffery",
	booktitle     = "{Proceedings of the 16th Symposium on Applied Computing}",
	doi           = "10.1145/372202.372347",
	pages         = "306--308",
	publisher     = "{ACM}",
	title         = "{Goal-directed object-oriented programming in unicon}",
	year          = 2001,
}