STILL WATERS (POLLUTION AND PROTECTION OF WATERS)
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BTINLAND WATERS (POLLUTION AND PROTECTION OF WATERS)
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BTLAKE REGIMES (HYDROLOGY)
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UDC504.455
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Descriptor GERSTEHENDE GEWÄSSER (GEWÄSSERVERUNREINIGUNG UND -SCHUTZ)
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Descriptor ENGSTILL WATERS (POLLUTION AND PROTECTION OF WATERS)
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Descriptor FREEAUX STAGNANTES (POLLUTION ET PROTECTION DES EAUX)
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Variant GERGEWÄSSER/STEHENDE GEWÄSSER (GEWÄSSERVERUNREINIGUNG UND -SCHUTZ)
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Variant ENGSTANDING WATERS (POLLUTION AND PROTECTION OF WATERS)
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Variant FREPOLLUTION ET PROTECTION DES EAUX STAGNANTES (POLLUTION ET PROTECTION DES EAUX)
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NTPROTECTION OF STANDING WATERS (ENVIRONMENTAL PROBLEMS)
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NTLAKES (POLLUTION AND PROTECTION OF WATERS)
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NTPOLLUTION OF STANDING WATERS (ENVIRONMENTAL PROBLEMS)