@book{32049,
	author = {IWPEC 2004 and Downey, R. G.},
	title = {Parameterized and exact computation :},
	publisher = {Springer,},
	year = {c2004.},
	address = {Berlin ;},
	url = {http://www.springerlink.com/openurl.asp?genre=issue&issn=0302-9743&volume=3162}
}