@article {24919,
	title = {CHI PLAY 2015 - Proceedings of the 2015 Annual Symposium on Computer-Human Interaction in Play},
	journal = {Validating test chambers to study cooperative communication mechanics in portal 2},
	year = {2015},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84959449557\&partnerID=MN8TOARS},
	author = {Vaddi, D. and Stahlke, S.N. and Wehbe, R.R. and Koroluk, R. and Toups, Z.O. and Nacke, L.E.}
}
