• 14th IGS Conference: 13-16 Sep. 2009 Dijon, France (IGS2009)

• 13th IGS Conference: 11-14 Nov. 2007 Melbourne, Australia (IGS2007)

• 12th IGS Conference: 26-29 Jun. 2005 Salerno, Italy (IGS2005)

• 11th IGS Conference: 02-05 Nov. 2003 Scottsdale, Arizona, USA (IGS2003)

• 10th IGS Conference: 06-08 Aug. 2001 Nijmegen, The Netherlands (IGS2001)

• 9th IGS Conference: 28-30 Jun. 1999 Singapore, Singapore (IGS1999)

• 8th IGS Conference: 24-29 Aug. 1997 Genoa, Italy

• 7th IGS Conference: 6-10 Aug. 1995 London, Ontario, Canada

• 6th IGS Conference: 4-7 Jul 1993 Paris, France

• 5th IGS Conference: 27-30 Oct. 1991 Tempe, Arizona, USA

• 4th IGS Conference: 24-26 Jul. 1989 Trondheim, Norway

• 3rd IGS Conference: 20-23 Jul. 1987 Montreal, Quebec, Canada

• 2nd IGS Conference: 8-12 Jul. 1985 Hong Kong, Hong Kong

• 1st IGS Conference: 12-15 Jul. 1982 Nijmegen, The Netherlands