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Creator
- Czech Republic 6
- Germany (West) 5
- Poland 4
- European Economic Community 3
- Germany 1
Region
- Czech Republic 6
- Germany 6
- Poland 4
Water Basin
- Oder River 4
- Oder/Odra 4
- Elbe River 2
- Elbe 2
Type
- Text 5
- Collection 1
Decade
- 1990-1999 6