@inproceedings{SAC-1996-FisherT,
	author        = "John R. Fisher and Luu Tran",
	booktitle     = "{Proceedings of the 11th Symposium on Applied Computing}",
	doi           = "10.1145/331119.331130",
	pages         = "17--21",
	publisher     = "{ACM}",
	title         = "{A visual logic}",
	year          = 1996,
}