Yu T, Wang X. Swelling and Dissolution Mechanism of Poly(paraphenylene benzobisoxazole) Fibers in Poly Phosphoric Acid. ajc [Internet]. 2014 Sep. 19 [cited 2024 Nov. 23];26(19):6575-8. Available from: https://asianpubs.org/index.php/ajchem/article/view/26_20_59