Conference paper (2009) - KM van Hee (author), A.J.H. Hidders (author), Jan Hidders (author), AJH Hidders (author), G. J. Houben (author), GJPM Houben (author), Geert Jan Houben (author), Geert-Jan Houben (author), G.J.P.M. Houben (author), J Paredaens (author), P Thiran (author), Phililppe Thiran (author), Philippe Thiran (author)