@book{PeterLjungl?f2004-29,
	title		= "Expressivity and Complexity of the Grammatical Framework",
	author		= "Peter Ljunglöf",
	year		= "2004",
	publisher	= "Chalmers University of Technology",
	address		= "Göteborg",
	isbn		= "91-628-6331-2",
	url		= "http://hdl.handle.net/2077/16377",
}