1. US Federal Trade Commission. The Textile Fiber Products Identification Act. 16 CFR Part 303.7.
2. Nylon Plastics Handbook;Kohan,1995
3. n-Nylons;Aharoni,1997
4. Kunststoff Handbuch 3/4 Polyamide;Becker,1998
5. Polyamides - Still Strong After Seventy Years