@inproceedings{DiGRA-2009-Jordan,
	author        = "Will Jordan",
	booktitle     = "{Proceedings of the Fifth DiGRA International Conference: Breaking New Ground: Innovation in Games, Play, Practice and Theory}",
	ee            = "http://www.digra.org/digital-library/publications/morphology-of-the-tetromino-stacking-game-the-design-evolution-of-tetris-abstract/",
	publisher     = "{Digital Games Research Association}",
	title         = "{Morphology of the tetromino-stacking game: The design evolution of Tetris [Abstract]}",
	year          = 2009,
}