@inproceedings{CHI-2013-NicholsonCB,
	author        = "James Nicholson and Lynne M. Coventry and Pamela Briggs",
	booktitle     = "{Proceedings of the 31st ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/2470654.2470701",
	isbn          = "978-1-4503-1899-0",
	pages         = "323--332",
	publisher     = "{ACM}",
	title         = "{Age-related performance issues for PIN and face-based authentication systems}",
	year          = 2013,
}