- Who is the Group 38 (German)
- Conference 2002(German)
- Conference 2003(German)
- Conference 2004(German)
- Conference 2005
- Conference 2006(German)
- Conference 2007(German)
- Conference 2008(German)
- Conference 2009(German)
- Conference2010 (GermanVersion) Conference 2010 (English Version)