Wu, Junling, Qixin Zhuang, Xiaoyun Liu, Jun Qian, and Zhewen Han. “Study on the Light Stability of Poly(p-Phenylenebenzobisoxazole) Fiber”. Asian Journal of Chemistry 26, no. 17 (August 12, 2014): 5461–5465. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/26_18_33.