Journal article (2003) - FWJMM Hoeks (author), LA Boon (author), S Hjorth (author), G Prada (author), Luyben K.C.A.M. (author), AW Nienow (author), F Studer (author), MO Wolff (author), F van der Schot (author), P Vrabel (author), R.G.J.M. van der Lans (author), W Bujalski (author), Å Manelius (author), G Blomsten (author)