SOMME (WEST EUROPEAN RIVERS)
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BTRIVERS OF WESTERN EUROPE FLOWING INTO THE NORTH SEA OR ENGLISH CHANNEL
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UDC(282.244.13)
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Descriptor GERSOMME (WESTEUROPÄISCHE FLÜSSE)
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Descriptor ENGSOMME (WEST EUROPEAN RIVERS)
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Descriptor FRESOMME (RIVIÈRES DE L'EUROPE OCCIDENTALE)