@inproceedings{POPL-2008-AlaviGG,
	author        = "Hamed Seiied Alavi and Seth Gilbert and Rachid Guerraoui",
	booktitle     = "{Proceedings of the 35th Symposium on Principles of Programming Languages}",
	doi           = "10.1145/1328438.1328480",
	editor        = "George C. Necula and Philip Wadler",
	isbn          = "978-1-59593-689-9",
	pages         = "349--358",
	publisher     = "{ACM}",
	title         = "{Extensible encoding of type hierarchies}",
	year          = 2008,
}