@inproceedings{POPL-2007-AppelMRV,
	author        = "Andrew W. Appel and Paul-André Melliès and Christopher D. Richards and Jérôme Vouillon",
	booktitle     = "{Proceedings of the 34th Symposium on Principles of Programming Languages}",
	doi           = "10.1145/1190216.1190235",
	editor        = "Martin Hofmann and Matthias Felleisen",
	isbn          = "1-59593-575-4",
	pages         = "109--122",
	publisher     = "{ACM}",
	title         = "{A very modal model of a modern, major, general type system}",
	year          = 2007,
}