
- Author: W. Graham Richards (auth.) Hans Schick (eds.)
- Language: German
- Year: 1989

- Author: Graham Richards (auth.)
- Language: English
- Year: 2011

- Author: W. Graham Richards (auth.) Hans Schick (eds.)
- Language: German
- Year: 1989

- Author: Graham Richards (auth.)
- Language: English
- Year: 2011