@misc{Holleis2005PlayingWithTheRealWorld,
		title           = {Playing with the Real World},
		author          = {Paul Holleis and Matthias Kranz and Anneke Winter and Albrecht Schmidt},
		howpublished    = {{Workshop on Pervasive Games (PerGames 2005) on Pervasive 2005}},
		year            = {2005},
		month           = {May},
}