1. Dytnerskii, Yu.I., Brykov, V.P., and Kagramanov, G.G., Membrannoe razdelenie gazov (Membrane Separation of Gases), Moscow: Khimiya, 1991 [in Russian].
2. Mulder, M., Basic Principles of Membrane Technology, Dordrecht (The Netherlands): Kluwer, 1991. Translated under the title Vvedenie v membrannuyu tekhnologiyu, Moscow: Mir, 1999.
3. Shelby, James E. and Kenyon, Brian E., Glass Membrane for Controlled Diffusion of Gases, US Patent no. 6231642, B01D 53/22, May 15, 2001.
4. Heung, Leung K., Schumacher, Ray F., and Wicks, George G., Hollow Porous-Wall Glass Microspheres for Hydrogen Storage, US Patent no. 2006059953, C03B37/016, March 23, 2006.
5. Nikolaev, N.I., Diffuziya v membranakh (Diffusion in Membranes), Moscow: Khimiya, 1980 [in Russian].