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2. Shell Chemical Co. 1983. The Aquatic Safety of Neodol Products, Brochure SC: 612-83.
3. Ökologisch relevante Daten von Tensiden in Waschund Reinigungsmitteln
4. “Environmental & Human Safety of Major Surfactants: Alcohol Ethoxylates & Alkylphenol Ethoxylates”;Talmage,1994
5. “Environmental Hazard Assessment of Alcohol Ethoxylates - Data List”;BKH Consulting Engineers,1993