XII World Congress
Goyang, Korea
2008
X World Congress
Rio de Janeiro, Brazil
2000
VIII World Congress
State College PA, USA
1992
VI World Congress
Manilla, The Philippines
1984
IV World Congress
Torun, Poland
1976
II World Congress
Enschede, The Netherlands
1968 |
XI World Congress
Trondheim, Norway
2004
IX World Congress
Bucharest, Romania
1996
VII World Congress
Bologna, Italy
1988
V World Congress
Mexico City, Mexico
1980
III World Congress
Baton Rouge, Louisiana, USA
1972
I World Congress
Dijon, France
1964 |