- Author: Univ.-Prof. Dr. Hans H. Bauer Gregor Stokburger Maik Hammerschmidt (auth.)
- Language: German
- Year: 2006
- Author: Gregor Stokburger Mario Pufahl (auth.)
- Language: German
- Year: 2002
- Author: Maik Hammerschmidt, Gregor Stokburger
- Language: German
- Year: 5
