@inproceedings{CHI-2009-MuellerGV,
	author        = "Florian Müller and Martin R. Gibbs and Frank Vetere",
	booktitle     = "{Proceedings of the 27th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1518701.1518938",
	isbn          = "978-1-60558-246-7",
	pages         = "1539--1548",
	publisher     = "{ACM}",
	title         = "{Design influence on social play in distributed exertion games}",
	year          = 2009,
}