- Author: Dirk Louis
- Language: German
- Year: 2000
- Author: Schulze-Makuch Dirk Louis N. Irwin (auth.)
- Language: English
- Year: 2004
- Author: Dirk Louis
- Language: German
- Year: 2000
- Author: Dirk Louis
- Language: German
- Year: 2000
- Author: Dirk Louis
- Language: German
- Year: 2000
- Author: Dirk Louis
- Language: German
- Year: 2008
- Author: Dirk Louis, Peter Müller, Karsten Samaschke
- Language: German
- Year: 2005
- Author: Dirk Louis Peter Müller
- Language: German
- Author: Dirk Louis Peter Müller
- Language: German
- Year: 2005
- Author: Dirk Louis
- Language: German