- Author: Gerald Farin Dianne Hansford
- Language: English
- Year: 2021
- Author: Gerald Farin (Author), Dianne Hansford (Author)
- Year: 1998
- Author: Gerald Farin (Author), Dianne Hansford (Author)
- Year: 2013
- Author: Gerald Farin (Author)
- Year: 1999
- Author: Gerald Farin Dianne Hansford
- Language: English
- Year: 2000
- Author: Gerald Farin Dianne Hansford
- Language: English
- Year: 2004
- Author: Gerald Farin Dianne Hansford
- Language: English
- Year: 2008
- Author: Gerald Farin (auth.)
- Language: German
- Year: 1994
- Author: Gerald Farin Dianne Hansford
- Language: English
- Year: 2004
- Author: Professor Dr. Gerald Farin Dr. Dianne Hansford (auth.)
- Language: German
- Year: 2003