NF T90-308*NF EN ISO 20079:2006 Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test.
2006NF T90-308*NF EN ISO 20079:2006 Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test.