1. European Parliament and Council Directive 94/62/EC of 20 December 1994;94/62/EC;Packaging and Packaging Waste,1994
2. Standard Practice for Generic Marking of Plastic Products 2005;Astm D1972–97,2005
3. High Performance Thermoplastic Resins and Their Composites;Béland,1990
4. Analysis of the effect of mechanical recycling upon tensile strength of a short glass fibre reinforced polyamide 6,6;Bernasconi;Engineering Fracture Mechanics,2007
5. Recycling, International Trade, and the Environment: An Empirical Analysis;Beukering,2001