1. Yao, M., Zhou, J., Huang, S., et al.: Textile Materials, 2nd edn., vol. 6, pp. 344–346. China Textile Press (1990)
2. Yao, M.: Textile Materials, 3rd edn., vol. 1, pp. 289–290. China Textile Press (2009)
3. Yu, W.: Textile Materials, 1st edn., vol. 5, pp. 96–97. China Textile Press (2006)
4. Yu, W., Chu, C.: Textile Physics, 1st edn., vol. 1, pp. 52–56. Donghua University Press (2002)
5. Morton, W.E., Hearle, J.W.S.: Physical Properties of Textile Fibers, pp. 178–185. The Textile Institute and Butterworth & Co Publishers Ltd. (1962)