References
- C & E News v.30 A. N. Thayer
- Plastics World v.45 W. Mutch
- Eur. Plastics Recycling in Res. Recycling G. Brewer
- Recycle Guide Clean Japan Center
- Recycle Guide Clean Japan Center
- Macromol. Symp. v.57 Makromol. Chem. R. Iijima
- Modern Plastics v.40 R. D. Leavesugh
- Polymer (korea) v.19 no.5 J. S. Jang;H. S. Kim
- ASTM ASTM
- ASTM ASTM