1. Grafen M, Pollkläsner D, Baumann W (1999): Emission Scenario Document - Metal Extraction Industry, Refining and Processing Industry. UBA Report No. 360 01 27/2, Berlin, Germany
2. Technical Guidance Document in support of the Commission Directive 93/67/EEC on risk assessment for new notified substances and the Commission Regulation (EC) No. 1488/94 on risk assessment for existing substances. Brussels, Belgium, Commission of the European Communities
3. van der Poel P(1997): EUSES Guidance Document on Emission Estimation. RTVM Report No.: 679102020, Bilthoven, The Netherlands
4. Baumann W, Herberg-Liedtke B (1996): Chemikalien in der Metallbearbeitung – Daten und Fakten zum Umweltschutz. Springer Verlag, ISBN 3-540-60094-9
5. Verbraucherkreis Industrieschmierstoffe VKIS (1998), information