Journal article (2008) - K Bijsterveld (author) , W Leeuwen (author) , J van Schooten (author) , F van Loon (author) , R van Schendelen (author) , T van Hoek (author) , F de Zeeuw (author) , Hugo Priemus (author) , JJ de Graaf (author) , R Goes (author) , S Korthuis (author) , R Paping (author) , F van Blokland (author) , G Hukker (author) , P Noordanus (author) , E Brinkman (author)

Journal article (2008) - Fred Hobma (author) , M. Spaans (author) , F de Zeeuw (author)