1. Chemicals Week, Chemical Futures: The Industry in 2020, vol. 168, no. 18, 2006, pp. 19–26.
2. Looking at the next decade: innovation and sustainability, Cefic Review 2008–2009. Available from: http://www.cefic.be (Aug. 2010).
3. KPMG International, The Future of the European Chemical Industry, Jan. (2010). Available from: http://www.cefic.be (Aug. 2010).
4. Sustainable chemistry: a catalyst for innovation & growth in Europe, prepared by European Technology Platform on Sustainable Chemistry. Available from: http://www.suschem.org (Aug. 2010).