Journal article (2003) - PJ Cowell (author), M.J.F. Stive (author), CW Reed (author), PL de Boer (author), AW Niedoroda (author), DJP Swift (author), H.J. de Vriend (author), MC Buijsman (author), RJ Nicholls (author), PS Roy (author), GM Kaminsky (author), J. Cleveringa (author)