@inproceedings{POPL-2007-DreyerHCK,
	author        = "Derek Dreyer and Robert Harper and Manuel M. T. Chakravarty and Gabriele Keller",
	booktitle     = "{Proceedings of the 34th Symposium on Principles of Programming Languages}",
	doi           = "10.1145/1190216.1190229",
	editor        = "Martin Hofmann and Matthias Felleisen",
	isbn          = "1-59593-575-4",
	pages         = "63--70",
	publisher     = "{ACM}",
	title         = "{Modular type classes}",
	year          = 2007,
}