@inproceedings{LFP-1988-SussmanH,
	author        = "Gerald J. Sussman and Matthew Halfant",
	booktitle     = "{Proceedings of the 1988 ACM Conference on LISP and Functional Programming}",
	doi           = "10.1145/62678.62679",
	isbn          = "0-89791-273-X",
	pages         = "1--7",
	publisher     = "{ACM Press}",
	title         = "{Tutorial: Abstraction in Numerical Methods}",
	year          = 1988,
}