Journal article (2012) - L.A. Haverkate (author), M Zbiri (author), M Johnson (author), Bruno Demé (author), H. de Groot (author), H de Groot (author), F Lefeber (author), A Kotlewski (author), S.J. Picken (author), F.M. Mulder (author), Fokko M. Mulder (author), GJ Kearley (author)