DANUBE BASIN (EUROPE)
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BTLANDSCAPES AND LAKES OF EUROPE (EUROPE)
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UDC(4-312)
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Descriptor GERDONAUBECKEN (EUROPA)
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Descriptor ENGDANUBE BASIN (EUROPE)
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Descriptor FREBASSIN DU DANUBE (EUROPE)
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Variant ENGDANUBIAN BASIN (EUROPE)
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Variant FREDANUBE/BASSIN DU DANUBE (EUROPE)
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NTPANNONIAN BASIN (EUROPE)