@inproceedings{DiGRA-2003-Jorgensen,
	author        = "Kristine Jørgensen",
	booktitle     = "{Proceedings of the Second Digital Games Research Conference: Level Up}",
	ee            = "http://www.digra.org/digital-library/publications/problem-solving-the-essence-of-player-action-in-computer-games/",
	title         = "{Problem Solving: The Essence of Player Action in Computer Games}",
	year          = 2003,
}