@inproceedings{CHI-PLAY-2019-DenisovaC,
	author        = "Alena Denisova and Eliott Cook",
	booktitle     = "{Proceedings of the Sixth Annual Symposium on Computer-Human Interaction in Play}",
	doi           = "10.1145/3311350.3347173",
	isbn          = "978-1-4503-6688-5",
	pages         = "161--168",
	publisher     = "{ACM}",
	title         = "{Power-Ups in Digital Games: The Rewarding Effect of Phantom Game Elements on Player Experience}",
	year          = 2019,
}