Article{nokey,
	title = {Kilometerprijs en arbeidsmarkt},
	author = {Koopmans, C. and Marlet, G. and Woerkens, C. van and Poort, J.},
	url = {http://www.ivir.nl/publicaties/download/02%20-%20Kilometerheffin%20ESB.pdf},
	year = {0726},
	date = {2011-07-26},
}