Symposia and congresses

• Archive: Kick-off IBOS (March 2002)
• IBOS for the Second Round, 29 September 2005, Nunspeet
• 3rd IBOS Conference, 29 and 30 September 2005, Nunspeet (see short impression)
• 4rd IBOS Conference, 28 and 29 September 2006, Nunspeet
• 5th IBOS Conference, 27 and 28 September 2007, Nunspeet
• 6th IBOS Conference, 24 and 25 September 2008, Lunteren
• 7th IBOS Conference, 1 and 2 Oktober 2009, Lunteren
• IBOS Open Conference, 15-17 May 2011, Lunteren