ISAR (CENTRAL EUROPEAN RIVERS)
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BTUPPER DANUBE, REGENSBURG TO PASSAU (CENTRAL EUROPEAN RIVERS)
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UDC(282.243.722)
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Descriptor GERISAR (MITTELEUROPÄISCHE FLÜSSE)
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Descriptor ENGISAR (CENTRAL EUROPEAN RIVERS)
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Descriptor FREISAR (RIVIÈRES DE L'EUROPE CENTRALE)