1. Shen L, Haufe J and Patel MK, Product overview and market projection of emerging biobased plastics (PROBIP 2009). Commissioned by European Polysaccharide Network of Excellence (EPNOE) and European Bioplastics. Group Science, Technology and Society (STS), Copernicus Institute for Sustainable Development and Innovation, Utrecht University, Utrecht, the Netherlands, June 2009. Report No: NWS-E-2009-32 (2009).
2. Hunter E, Paulin CG and Richards RB, Improvements in or relating to the manufacture of ethylene. GB Patent 587378 (1946).
3. Simon C-J and Schnieders F, Business data and charts 2007 by PlasticsEurope Market Research Group (PEMRG). Status September 2008 (2009). Available at: http://www.plasticseurope.org/Content/Default.asp?PageID=989 [February 16, 2009]