@inproceedings{OOPSLA-2004-BrachaU,
	author        = "Gilad Bracha and David Ungar",
	booktitle     = "{Proceedings of the 19th Conference on Object-Oriented Programming, Systems, Languages and Applications}",
	doi           = "10.1145/1028976.1029004",
	editor        = "John M. Vlissides and Douglas C. Schmidt",
	isbn          = "1-58113-831-8",
	pages         = "331--344",
	publisher     = "{ACM}",
	title         = "{Mirrors: design principles for meta-level facilities of object-oriented programming languages}",
	year          = 2004,
}