@inproceedings{CHI-2008-OHara,
	author        = "Kenton O'Hara",
	booktitle     = "{Proceedings of the 26th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1357054.1357239",
	isbn          = "978-1-60558-011-1",
	pages         = "1177--1186",
	publisher     = "{ACM}",
	title         = "{Understanding geocaching practices and motivations}",
	year          = 2008,
}