Sannomiya, A., M. Iwase, S. Nagaoka, Y. Suzuki, M. Iwaki, and H. Kawakami. 2017. “Gas Permeation Properties of Asymmetric Polyimide Membranes Made by Ion–beam Irradiation”. Journal of Applied Membrane Science & Technology 1 (1). https://doi.org/10.11113/amst.v1i1.30.