-
Bochum, Germany, 26–31 July 2009
-
Kyoto, Japan, 26–31 August 2007
-
Toronto, Ontario, Canada, 7–12 August 2005
-
Taormina, Italy, 22–27 June 2003
-
Orléans, France, 9–13 July 2001
-
Prague, Czech Republic, 2–6 August 1999
-
Beijing, China, 18–22 August 1997
-
Minneapolis, USA, 21–26 August 1995
-
Loughborough, UK, 22–27 August 1993
-
Bochum, Federal Republic of Germany, 4–9 August 1991
-
Pugnochiuso, Italy, 4–8 September 1989
-
Tokyo, Japan, 31 August–4 September 1987
-
Eindhoven, The Netherlands, 1–5 July 1985
-
Montreal, Quebec, Canada, 24–28 July 1983
-
Heriot-Watt University, Edinburgh, UK, 10–14 August 1981
-
Zurich, Switzerland, 27 August–1 September 1979
-
Rome, Italy, 18–23 September 1975
-
Kiel, Germany, 6–10 September 1973