@inproceedings{FPCA-1989-NielsonN,
	author        = "Hanne Riis Nielson and Flemming Nielson",
	booktitle     = "{Proceedings of the Fourth Conference on Functional Programming Languages and Computer Architecture}",
	doi           = "10.1145/99370.99380",
	isbn          = "0-201-51389-7",
	pages         = "129--143",
	publisher     = "{ACM Press}",
	title         = "{Transformations on Higher-Order Functions}",
	year          = 1989,
}