- Bureau meeting, Sydney, July 2, 2005

- "Bureau restreint" meeting, Oxford, February 24, 2005

- Bureau meeting, Berlin, August 27 and 28, 2004

- "Bureau restreint" meeting, Lausanne / Crans, February 21 and 22,
  2004

- Bureau meeting, Paris, August 30 and 31, 2003

- "Bureau restreint" meeting, Sydney, February 26 and 28, 2003

- General Assembly, Amsterdam, September 2 and 3, 2002

- Bureau meeting, Amsterdam, August 31 and September 3, 2002

- "Bureau restreint" meeting, Berlin, March 22, 2002

- Bureau meeting, Princeton, 25 and 26 August 2001

- "Bureau restreint" meeting, Berlin, March 23, 2001

- Bureau meeting, Oslo, August 13, 2000

- General Assembly, Oslo, August 10, 2000

- General Assembly, Oslo, August 6, 2000

- Bureau meeting, Oslo, August 5, 2000