Conference paper (2005) - Y Houten (author), SU Naci (author), A. Hanjalic (author), B Freiburg (author), R. Eggermont (author), S Schuurman (author), D Hollander (author), J Reitsma (author), M Markslag (author), J Kniest (author), M Veenstra (author)

Report (2000) - TH de Wildt (author), S Schuurman (author), A van de Veerdonk (author), V Thunnissen (author), H. Priemus (author), A Haars (author)