- Author: Dufour Pierre
- Language: Czech
- Year: 1905
- Author: G. Ramadori Pierluigi Ramadori (auth.) Jean-Francois Dufour Pierre-Alain Clavien (eds.)
- Language: English
- Year: 2010
- Author: G. Ramadori Pierluigi Ramadori (auth.) Jean-Francois Dufour Pierre-Alain Clavien (eds.)
- Language: English
- Year: 2010
- Author: J.F. Dufour Pierre-Alain Clavien C. Trautwein R. Graf
- Language: English
- Year: 2005