This author has not been identified. Look up 'Markus Grebenstein' in GoogleThis author has not been identified. Look up 'Maxime Chalon' in GoogleThis author has not been identified. Look up 'Werner Friedl' in GoogleThis author has not been identified. Look up 'Sami Haddadin' in GoogleThis author has not been identified. Look up 'Thomas Wimböck' in GoogleThis author has not been identified. Look up 'Gerd Hirzinger' in GoogleThis author has not been identified. Look up 'Roland Siegwart' in Google