@inproceedings{ICFP-1999-Longley,
	author        = "John Longley",
	booktitle     = "{Proceedings of the Fourth International Conference on Functional Programming}",
	doi           = "10.1145/317636.317775",
	editor        = "Didier Rémi and Peter Lee",
	isbn          = "1-58113-111-9",
	pages         = "1--7",
	publisher     = "{ACM}",
	title         = "{When is a Functional Program Not a Functional Program?}",
	year          = 1999,
}