1. Polyethylene terephthalate (PET) for packaging;Fritsch;Plast Europe.,2002
2. Plastic Packaging Materials for Food - Barrier Function, Mass Transport, Quality Assurance and Legislation,2000
3. Final report of EU funded AIR project AIR2-CT93-1014, Programme to establish criteria to ensure the quality and safety of recycled and re-used plastics for food packaging, Brussels, December 1997.
4. Polyethylene terephthalate (PET) recycling for food contact applications: Testing, safety and technologies - A global perspective;Bayer;Food Additives and Contaminants,2002
5. Evaluating the potential for recycling all PET bottles into new food packaging;Begley;Food Additives and Contaminants,2002