Hubert Bergmann, Elmar Guantes, Udo Schindler
1995/None/None
Hubert Bergmann, Gilad Atzmon
2012/None/None
Udo Schindler, Ulrike Helmholz, Hubert Bergmann
2016/9/11
Hubert Bergmann, Udo Schindler
2010/9/20
Hubert Bergmann, Udo Schindler, Thomas Zimmermann
2016/8/9