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Creator
- Austria 12
- Germany 3
- Hungary 3
- Bavaria (Germany) 2
- Bulgaria 2
- Croatia 2
- Czechoslovakia 2
- European Economic Community 2
- Germany (West) 2
- Moldova 2
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Region
- Austria 12
- Germany 7
- Republic of Croatia 4
- Slovak Republic 4
- Hungary 3
- Bulgaria 2
- Czech Republic 2
- Republic of Moldova 2
- Romania 2
- Serbia 2
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Water Basin
- Danube River >> Romania 12
- Danube 12
Institution
- Oregon State University 12