@inproceedings{Onward-2012-PolitzVK,
	author        = "Joe Gibbs Politz and Hannah Quay-de la Vallee and Shriram Krishnamurthi",
	booktitle     = "{Proceedings of the Second Symposium on New Ideas in Programming and Reflections on Software}",
	doi           = "10.1145/2384592.2384599",
	editor        = "Gary T. Leavens and Jonathan Edwards",
	isbn          = "978-1-4503-1562-3",
	pages         = "55--66",
	publisher     = "{ACM}",
	title         = "{Progressive types}",
	year          = 2012,
}