@inproceedings{CGDC-2002-Juul,
	author        = "Jesper Juul",
	booktitle     = "{Proceedings of the Computer Games and Digital Cultures Conference}",
	ee            = "http://www.digra.org/digital-library/publications/the-open-and-the-closed-games-of-emergence-and-games-of-progression/",
	title         = "{The Open and the Closed: Games of Emergence and Games of Progression}",
	year          = 2002,
}