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© May 2005 Lorentz JÄNTSCHI && Sorana Daniela BOLBOACĂ

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 D20 Complex Mixtures D045424 +
  D20.721 Soil D012987 
    D20.721.500 Humic Acids D006812 


 G03 Environment and Public Health D004778 +
  G03.230 Environment D004777 +
   G03.230.600 Soil D012987