- Author: Ronald L. Grimes, Ute Husken, Udo Simon, Eric Venbrux
- Language: English
- Year: 2011
- Author: Ronald L. Grimes Ute Husken Udo Simon Eric Venbrux
- Language: English
- Year: 2011
- Author: Bo Poulsen (editor), Dave Lyddon (editor), Kurt Vandaele (editor), Eric Venbrux (editor)
- Language: English
- Year: 2009
- Author: Ronald L. Grimes Ute Husken Udo Simon Eric Venbrux
- Language: English
- Year: 2011