1. ECS Symposia Leoben, Austria 1974
2. ECS Symposia Caen, France, 1977
3. ECS Symposia Ljubljana, Slovenia 1981
4. ECS Symposia Göteborg, Sweden 1985
5. ECS Freiburg in Breisgau, Germany 1989
6. ECS Prague, Czech Republic 1993
7. ECS Amsterdam, The Netherlands 1998
8. ECS Bordeaux, France 2001
9. ECS Zakopane, Poland 2005
10. ECS Milano, Italy 2009
11. ECS Kaiserslautern, Germany 2013
12. ECS Kaiserslautern, Germany 2017

1. ICS Vienna, Austria 1963
2. ICS Chicago, USA 1967
3. ICS Berne, Switzerland 1971
4. ICS Gaitherburg, Maryland USA 1975
5. ICS Salzburg, Austria 1979
6. ICS Gainesville, Florida, USA 1983
7. ICS Caen, France 1987
8. ICS Irvine, California, USA 1991
9. ICS Copenhagen, Denmark 1995
10. ICS Melbourne, Australia 1999
11. ICS included into AAA meeting, San Diego, USA 2003
12. ICS Saint Etienne, France 2007
13. ICS Beijing, China 2011
14. ICS Liège, Belgium 2015