Journal article (2012) - TJ Wilkinson (author), R Boucharlat (author), M.W. Ertsen (author), Maurits Ertsen (author), M. W. Ertsen (author), MW Ertsen (author), Maurits Willem Ertsen (author), Maurits W. Ertsen (author), M. W.Maurits Ertsen (author), G Gillmore (author), D Kennet (author), P Magee (author), K Rezakhani (author), T de Schacht (author)