@inproceedings{BX-2015-CheneyGMS,
	author        = "James Cheney and Jeremy Gibbons and James McKinna and Perdita Stevens",
	booktitle     = "{Proceedings of the Fourth International Workshop on Bidirectional Transformations}",
	editor        = "Alcino Cunha and Ekkart Kindler",
	openpdf       = "http://ceur-ws.org/Vol-1396/p66-cheney.pdf",
	pages         = "66--80",
	publisher     = "{CEUR-WS.org}",
	series        = "{CEUR Workshop Proceedings}",
	title         = "{Towards a Principle of Least Surprise for Bidirectional Transformations}",
	url           = "http://ceur-ws.org/Vol-1396/#p66-cheney",
	volume        = 1396,
	year          = 2015,
}