- Author: Siegfried Christoph
- Language: German
- Year: 1997
- Author: Masahiro Shimbo
- Language: German
- Year: 1993
- Author: Olga Janssen
- Language: German
- Year: 1984
- Author: Heinrich P. Delfosse, Karl Jürgen Skrodzki, Michael Trauth
- Language: German
- Year: 1994
- Author: David Chisholm, Steven P. Sondrup
- Language: German
- Year: 1986
- Author: Steven P. Sondrup, Randall L. Jones
- Language: German
- Year: 1989
- Author: Helmut Schanze
- Language: German
- Year: 1989
- Author: Klaus M. Schmidt
- Language: German
- Year: 1994
- Author: Wolfgang Klein, Harald Zimmermann
- Language: German
- Year: 1971