20th student olimpiad, Teesside

19th student’s olimpiad, Graz

15th student’s olimpiad, Ybbs an der Donau

14th Student’s olimpiad, Harrachov

13th students’ olimpiad, Örebro

10th Student’s olimpiad, Budva

9th student’s olimpiad, Mariánské Lázně

7th student olimpiad, Leningrad