1. Petcore and EuPR publish PET collection figures for 2011 - European collection rate increases to 51% of all PET bottles 2012 http://www.plasticsrecyclers.eu/press
2. Report on post consumer PET container recycling activity 2011 http://www.napcor.com/PET/pet_reports.html
3. European survey on post-consumer poly(ethylene terephthalate) materials to determine contamination levels and maximum consumer exposure from food packages made from recycled PET;Franz;Food Additives and Contaminants,2004
4. Twenty years of PET bottle to bottle recycling - an overview;Welle;Resources, Conservation and Recycling,2011
5. Franz R Bayer F Welle F Guidance and criteria for safe recycling of post consumer polyethylene terephthalate (PET) into new food packaging applications 2004 http://http://www.ivv.fraunhofer.de/no_html/gf3_22.pdf