@inproceedings{SAC-2008-YuMCWL,
	author        = "T. H. Yu and Y. S. Moon and K. L. Chow and H. C. Wong and Y. C. Li",
	booktitle     = "{Proceedings of the 23rd Symposium on Applied Computing}",
	doi           = "10.1145/1363686.1364160",
	editor        = "Roger L. Wainwright and Hisham Haddad",
	isbn          = "978-1-59593-753-7",
	pages         = "1962--1963",
	publisher     = "{ACM}",
	title         = "{CityWalker: a mobile GPS for walking travelers}",
	year          = 2008,
}