2006DIN EN 1622:2006-10 Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN); German version EN 1622:2006
2006DIN EN 1622:2006 Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN); English version of DIN EN 1622:2006-10