1. The Society of the Plastics Industry Bioplastics Council home page, article online only:Bioplastics Industry Overview Guide, Executive Summary;http://www.plasticsindustry.org/files/about/BPC/Industry%20Overview%20Guide%20Executive%20Summary%20-%200912%20-%20Final.pdf(accessed Feb 17,2015).
2. General webpage: Cone Communications home page,www.coneinc.com/globalCRstudy(accessed Feb 17,2015).
3. General webpage: Plastics Today,plasticstoday.com;
Caliendo, H. Five major U.S. brands collaborating on plant-based PET;http://www.plasticstoday.com/articles/Five-major-US-brands-collaborating-on-plant-based-PET-0605201202(accessed Feb 17,2015).
4. Article online only:
Schut, J. H. The Race to 100% Bio PET;http://plasticsengineeringblog.com/2012/08/13/the-race-to-100-bio-pet/(accessed Feb 17,2015).