Journal article (2013) - M Alfeld (author), J.C. Vaz Pedroso (author), M.H. van Eikema Hommes (author), G Van der Snickt (author), G Tauber (author), J Blaas (author), M Haschke (author), K Erler (author), J. Dik (author), K Janssens (author)