@inproceedings{CHI-2008-PietrigaA,
	author        = "Emmanuel Pietriga and Caroline Appert",
	booktitle     = "{Proceedings of the 26th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1357054.1357264",
	isbn          = "978-1-60558-011-1",
	pages         = "1343--1352",
	publisher     = "{ACM}",
	title         = "{Sigma lenses: focus-context transitions combining space, time and translucence}",
	year          = 2008,
}