@inproceedings{CHI-2010-OulasvirtaB,
	author        = "Antti Oulasvirta and Joanna Bergstrom-Lehtovirta",
	booktitle     = "{Proceedings of the 28th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1753326.1753547",
	isbn          = "978-1-60558-929-9",
	pages         = "1475--1484",
	publisher     = "{ACM}",
	title         = "{A simple index for multimodal flexibility}",
	year          = 2010,
}