Pierson, JosJosPiersonVan Zeeland, IneIneVan ZeelandHeyman, RobRobHeymanBallon, PieterPieterBallon2021-10-292021-10-292020https://imec-publications.be/handle/20.500.12860/35739Book chapterhttps://aspeditions.be/asp_mailing/Post%20viraal/24_Digitaal%20tracen%2C%20technologie%20en%20privacy.pdf