@inproceedings{SAC-2006-KramerMH,
	author        = "Ronny Kramer and Marko Modsching and Klaus ten Hagen",
	booktitle     = "{Proceedings of the 21st Symposium on Applied Computing}",
	doi           = "10.1145/1141277.1141515",
	editor        = "Hisham Haddad",
	isbn          = "1-59593-108-2",
	pages         = "997--1001",
	publisher     = "{ACM}",
	title         = "{Field study on methods for elicitation of preferences using a mobile digital assistant for a dynamic tour guide}",
	year          = 2006,
}