@inproceedings{DiGRA-2005-ManninenK,
	author        = "Tony Manninen and Tuomo Korva",
	booktitle     = "{Proceedings of the Third Digital Games Research Conference: Changing Views — Worlds in Play}",
	ee            = "http://www.digra.org/digital-library/publications/designing-puzzles-for-collaborative-gaming-experience-case-escape/",
	title         = "{Designing Puzzles for Collaborative Gaming Experience - CASE: eScape}",
	year          = 2005,
}