1967: Freiburg - Basel - Zurich                      

1971: Vienna - Budapest

1975: Copenhagen                                       

1979: Göttingen

1983: The Hague                                           

1987: Berlin

1991: Uppsala                                              

1995: Tübingen

1999: Copenhagen                                        

2003: Göttingen

2007: Vienna                                                 

2011: Bern

2014: Amsterdam                                        

2015: Berlin
Program
Day 1
Day 2
Day 3
Day 4
Posters

2017: Oslo
Preprints

2019: Warsaw

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