- Author: Lang Christoph, Theodore Petrou
- Language: English
- Year: 2011
- Author: Christoph Lang [Lang Christoph]
- Language: English
- Year: 2011
- Author: Hans Peter Lang Christoph Gerber (auth.) Paolo Samorì (eds.)
- Language: English
- Year: 2008
- Author: Hans Peter Lang Christoph Gerber (auth.) Paolo Samorì (eds.)
- Language: English
- Year: 2008