@inproceedings{Onward-2012-BlackBHN,
	author        = "Andrew P. Black and Kim B. Bruce and Michael Homer and James Noble",
	booktitle     = "{Proceedings of the Second Symposium on New Ideas in Programming and Reflections on Software}",
	doi           = "10.1145/2384592.2384601",
	editor        = "Gary T. Leavens and Jonathan Edwards",
	isbn          = "978-1-4503-1562-3",
	pages         = "85--98",
	publisher     = "{ACM}",
	title         = "{Grace: the absence of (inessential) difficulty}",
	year          = 2012,
}