@inproceedings{POPL-2013-AtkeyJK,
	author        = "Robert Atkey and Patricia Johann and Andrew Kennedy",
	booktitle     = "{Proceedings of the 40th Annual Symposium on Principles of Programming Languages}",
	doi           = "10.1145/2429069.2429082",
	editor        = "Roberto Giacobazzi and Radhia Cousot",
	isbn          = "978-1-4503-1832-7",
	pages         = "87--100",
	publisher     = "{ACM}",
	title         = "{Abstraction and invariance for algebraically indexed types}",
	year          = 2013,
}