Bibtex
Article{nokey,
title = {Online tracking: questioning the power of informed consen},
author = {Kool, L. and Plas, A. van der and van Eijk, N. and van der Sloot, B. and Helberger, N.},
url = {http://www.ivir.nl/publicaties/download/Info_2012_5.pdf},
year = {1018},
date = {2011-10-18},
journal = {Info},
number = {5},
keywords = {Grondrechten, Privacy},
}