- Author: Richard Lewis
- Language: English
- Year: 2006
- Author: Bernd Martenczuk, Servaas Van Thiel
- Language: English
- Year: 2008
- Author: Kris Deschouwer, M. Theo Jans
- Language: English
- Year: 2007
- Author: Caroline Pauwels, Harri Kalimo, Karen Donders, Ben Van Rompuy
- Language: English
- Year: 2009
- Author: Marc Pallemaerts
- Language: English
- Year: 2006
- Author: Selen Sarisoy Guerin, Ioannis Stivachtis
- Language: English
- Year: 2011
- Author: Sebastian Oberthur Marc Pallemaerts
- Language: English
- Year: 2010