Other{nokey,
	title = {Memento},
	author = {Visser, D. and Verkade, D. and Hugenholtz, P.B.},
	url = {http://www.ivir.nl/publicaties/download/spoorbundel_memento.pdf},
	year = {0206},
	date = {2008-02-06},
	keywords = {Auteursrecht, Intellectuele eigendom},
}