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Creator
- Bulgaria 2
- Yugoslavia 2
- Romania 1
- Soviet Union 1
Region
- Bosnia and Herzegovina 2
- Bulgaria 2
- Macedonia 2
- Republic of Croatia 2
- Serbia 2
- Hungary 1
- Montenegro 1
- Republic of Moldova 1
- Romania 1
- Slovak Republic 1
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Water Basin
- Danube River >> Romania 2
- Danube 2
Collection
- International Freshwater Treaties Collection 2