Journal article (2011) - Th. Gruber (author), Jonathan L. Bamber (author), MFP Bierkens (author), H Dobslaw (author), M Murböck (author), M Thomas (author), LPH van Beek (author), T van Dam (author), L.L.A. Vermeersen (author), P.N.A.M. Visser (author)