Journal article (2007) - OS Kustikova (author), H Geiger (author), K Cornils (author), KJ Nattamai (author), U Modlich (author), G Wagemaker (author), MA Goodell (author), B Fehse (author), C Baum (author), Z. Li (author), MH Brugman (author), SM Chambers (author), CA Shaw (author), K Pike-Overzet (author), D. de Ridder (author), Dick de Ridder (author), FJT Staal (author), G von Keudell (author)