Miki, M., Y. Ishikawa, M. Haraguchi, and Y. Yamada. “Physical and Gas Transport Properties of Asymmetric Hyperbranched Polyimide-Silica Hybrid Membranes”. Journal of Membrane and Separation Technology, vol. 2, no. 4, Nov. 2013, pp. 219-30, doi:10.6000/1929-6037.2013.02.04.3.