1. PRODUCTION: GROWTH IS THE NORM
2. Germany Trade & Invest, Chinesische Ethylen-Nachfrage wächst ungebremst, Länder und Märkte 2006, www.gtai.de/DE/Content/_SharedDocs/Links-Einzeldokumente-Datenbanken/fachdokument.html?fIdent= MKT20060914084722.
3. Association of Petrochemicals Producers in Europe, Capacity and Production Data, Facts & Figures 2006, www.petrochemistry.net/crackers-capacities-in-europe.html, 2006.
4. European Chemical Industry Council, Chemical Trends Report, www.cefic.org/files/Publications/ChemicalsTrendsReport_200906.doc, 2009.
5. ICIS Pricing, Chemical Price Reports, www.icispricing.com/il_shared/il_splash/chemicals. asp?llink= %2Fil_secure %2Fil_reports %2Frpt_find_matching_reports.asp %3FPageNav %3DChemicals, 2009.