1 (6) | Russian Academy of Sciences * | RUS | ||
2 (236) | Academy of Sciences of the Czech Republic * | CZE | ||
3 (261) | Polish Academy of Sciences * | POL | ||
4 (334) | Slovak Academy of Sciences * | SVK | ||
5 (399) | Institute of Archaeology and Ethnography Russian Academy of Sciences | RUS | ||
6 (453) | Bulgarian Academy of Sciences * | BGR | ||