Conference paper (2014) - H.P.A. Knops (author), HPA Knops (author), LJ De Vries (author), Laurens J. De Vries (author), L. J. de Vries (author), Laurens De Vries (author), Laurens de De Vries (author), L.J. de Vries (author), Laurens Vries (author), LJ Vries (author), L.J. De Vries (author), Laurens de de Vries (author), Laurens de Vries (author), Laurens de Vries (author), L.J. Vries (author), Laurens J. de Vries (author), Laurens J. Vries (author), L. J. De Vries (author), LJ de Vries (author), L. J. Vries (author), A Huygen (author)