Favvas, Evangelos P., George C. Kapantaidakis, and Nick K. Kanellopoulos. “Effect of Carbonization Process on the Structure and the Gas Permeation Properties of Polyimide Hollow Fiber Membranes”. Diffusion Fundamentals 3 (September 25, 2005). Accessed April 10, 2025. https://diffusion.journals.qucosa.de/diffusion/article/view/342.