1. Hill, R.: Fibres from Synthetic Polymers, Elsevier’s Polymer Series, Vol. 6, 1953; German: Fasern aus synthetischen Polymeren, translated by Sippel, A., Berliner Union, Stuttgart 1956
2. Perlon®: trademark for PA 6 products of the Perlon trademark association
3. DuPont: as copolymer in the bicomponent monofilament Cantrece®
4. Ato Chemie, Bonn, Germany
5. DuPont: Textile filaments from aromatic polyamides