1. DIN ISO 15380 Lubricants, industrial oils and related products - family H - specifications for categories HETG, HEPG, HEES, HEPR 2004
2. Hashimoto M 1988 OECD ring test of methods for determining ready biodegradability 1988
3. Wikipedia Pentaerythrit http://de.wikipedia.org/wiki/Pentaerythrit
4. Chemicalbook Hexan-1,6-diol http://www.chemicalbook.com/ChemicalProductProperty_DE_CB4160863.htm
5. Chemicalbook 2,4,6-Trichlorophenol http://www.chemicalbook.com/ChemicalProductProperty_DE_CB3854536.htm