Report{nokey,
	title = {The patentability of computer programs},
	author = {Hugenholtz, P.B. and Bakels, R.B.},
	url = {http://www.ivir.nl/publicaties/download/softwarepatent.pdf},
	year = {0725},
	date = {2002-07-25},
	keywords = {computerprogramma's, Industriële eigendom, Patent law},
}