@inproceedings{CHI-2015-ButlerASGP,
	author        = "Eric Butler and Erik Andersen and Adam M. Smith and Sumit Gulwani and Zoran Popovic",
	booktitle     = "{Proceedings of the 33rd ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/2702123.2702330",
	isbn          = "978-1-4503-3145-6",
	pages         = "2407--2416",
	publisher     = "{ACM}",
	title         = "{Automatic Game Progression Design through Analysis of Solution Features}",
	year          = 2015,
}