1. Abhiraman, A. S. (1974). Mechanics of crimp formation in a bicomponent fiber model. Textile Research Journal, 44(4), 319–323.
2. Bosley, D. E. (1966). Bicomponent polyester textile fiber (U.S. Patent No. 3,454,460).
3. Breen, A. L. (1954). Verfahren zur Herstellung gekräuselter Verbundfäden, DE1202932B, Deutsches Patentamt. München.
4. Bromley, Y. E., & Yu, J. P. (1992). Deep dyeing conjugate yarn processes (U.S. Patent No. 5,093,061).
5. Duo, Y., Qian, X., Zhao, B., Qian, Y., Xu, P., & Qi, J. (2021). Micro/nano microfiber synthetic leather base with different nanofiber diameters. Journal of Industrial Textiles, 50(7), 1127–1142. SAGE Publishing, Thousand Oaks.