A. Stern, and M. Mateas. the International DiGRA Conference, June 16th - 20th, 2005, Vancouver, British Columbia, Canada (http://www.gamesconference.org/digra2005/overview.php), (2005)
A. Stern, and M. Mateas. the International DiGRA Conference, June 16th - 20th, 2005, Vancouver, British Columbia, Canada (http://www.gamesconference.org/digra2005/overview.php), (2005)