1. Terminology of Man-Made Fibers;The International Bureau for the Standardization of Man-Made Fibres,2009
2. German Standard DIN 60905-1, 1985.
3. German Standard DIN 60910, 1985.
4. German Standard DIN 60001-1, 2001.
5. Information on Man-Made Fibres;The International Rayon and Synthetic Fibres Committee,2016