Journal article (2008) - L Guelen (author), L Pagie (author), B van Steensel (author), E Brasset (author), W. Meuleman (author), M.B. Faza (author), W Talhout (author), BH Eussen (author), A. de Klein (author), L.F.A. Wessels (author), W. de Laat (author)