Aderhold: Always informed about the latest news

Handbook of the European stock corporation, editor: Dr. Jürgen Frodermann and Dirk Jannott

Co -cars: Laleh Akbarian, Dr. Michael Bauer, Dr. Heino Büsching, Michael C. Frege, Dr. Rainer Kienast, Patrick Klawa, Dr. Hubertus Kolster, Dr. Martin Kuhn, 2005