@inproceedings{CHI-PLAY-2015-VaddiWTSKN,
	author        = "Deepika Vaddi and Rina R. Wehbe and Zachary O. Toups and Samantha N. Stahlke and Rylan Koroluk and Lennart E. Nacke",
	booktitle     = "{Proceedings of the Second Annual Symposium on Computer-Human Interaction in Play}",
	doi           = "10.1145/2793107.2810302",
	ee            = "https://www.wikidata.org/entity/Q59562669",
	isbn          = "978-1-4503-3466-2",
	pages         = "721--726",
	publisher     = "{ACM}",
	title         = "{Validating Test Chambers to Study Cooperative Communication Mechanics in Portal 2}",
	year          = 2015,
}