1. Terminology of Man-Made Fibers, The International Bureau for the Standardization of Man-Made Fibres, Brussels, 2009.
2. German Standard DIN 60 000, 1969.
3. German Standard DIN 60 905-1, 1985.
4. German Standard DIN 60 910, 1985.
5. German Standard DIN 60 001-1, 2001.