@inproceedings{CHI-2011-HowisonTRA,
	author        = "Mark Howison and Dragan Trninic and Daniel Reinholz and Dor Abrahamson",
	booktitle     = "{Proceedings of the 29th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1978942.1979230",
	isbn          = "978-1-4503-0228-9",
	pages         = "1989--1998",
	publisher     = "{ACM}",
	title         = "{The mathematical imagery trainer: from embodied interaction to conceptual learning}",
	year          = 2011,
}