@inproceedings{BX-2011-Gibbons1,
	address       = "Dagstuhl, Germany",
	author        = "Jeremy Gibbons",
	booktitle     = "{Proceedings of the Dagstuhl Seminar 11031 on Bidirectional Transformations}",
	editor        = "Zhenjiang Hu and Andy Schürr and Perdita Stevens and James Terwilliger",
	month         = "jan",
	number        = 1,
	pages         = "56",
	publisher     = "{Schloss Dagstuhl — Leibniz-Zentrum für Informatik}",
	series        = "{Dagstuhl Reports}",
	title         = "{Lenses are Coalgebras for the Costate Comonad}",
	volume        = 1,
	year          = 2011,
}