@inproceedings{FDG-2009-NelsonM,
	author        = "Mark J. Nelson and Michael Mateas",
	booktitle     = "{Proceedings of the Fourth International Conference on Foundations of Digital Games}",
	doi           = "10.1145/1536513.1536543",
	isbn          = "978-1-60558-437-9",
	pages         = "137--144",
	publisher     = "{ACM}",
	title         = "{A requirements analysis for videogame design support tools}",
	year          = 2009,
}