- Author: Tilde Heding Charlotte F. Knudtzen Mogens Bjerre
- Language: English
- Year: 2009
- Author: Bjerre Mogens Heding Tilde Knudtzen Charlotte F., Charlotte F. Knudtzen, Mogens Bjerre
- Language: English
- Year: 2008
- Author: Tilde Heding Charlotte F. Knudtzen Mogens Bjerre
- Language: English
- Year: 2009