@inProceedings{PeterLjungl?f2008-15,
	title		= "A grammar formalism for specifying ISU-based dialogue systems",
	author		= "Peter Ljunglöf and Staffan Larsson",
	year		= "2008",
	number		= "5221",
	url		= "http://gup.ub.gu.se/records/fulltext/73729.pdf",
}