- Author: Karl Graf Ballestrem Volker Gerhardt Henning Ottmann Martyn P. Thompson (eds.)
- Language: German
- Year: 1996
- Author: Karl Graf Ballestrem Volker Gerhardt Henning Ottmann Martyn P. Thompson (eds.)
- Language: German
- Year: 2000
- Author: Karl Graf Ballestrem Volker Gerhardt Henning Ottmann Martyn P. Thompson (eds.)
- Language: German
- Year: 1998