• Artículo
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      Trace metals in sediments from the "Ria de Huelva" 

      Pérez, M.; Usero García, José; Gracia, I.; Cabrera, F. (Gordon and Breach Science, 1991)
      The Ría de Huelva is an estuarine zone into which flow the Odiel and Tinto rivers, polluted by trace metals. Total contents ...