This author has not been identified. Look up 'Susanne Albers' in GoogleThis author has not been identified. Look up 'Martin Bichler' in GoogleThis author has not been identified. Look up 'Felix Brandt 0001' in GoogleThis author has not been identified. Look up 'Peter Gritzmann' in GoogleThis author has not been identified. Look up 'Rainer Kolisch' in Google