@inproceedings{FDG-2011-MacveanR,
	author        = "Andrew Peter Macvean and Mark O. Riedl",
	booktitle     = "{Proceedings of the Sixth Conference on the Foundations of Digital Games}",
	doi           = "10.1145/2159365.2159411",
	isbn          = "978-1-4503-0804-5",
	pages         = "277--279",
	publisher     = "{ACM}",
	title         = "{An enjoyment metric for the evaluation of alternate reality games}",
	year          = 2011,
}