Bissett, Hertzog, and Henning M. Krieg. “Synthesis of a Composite Inorganic Membrane for the Separation of Nitrogen, Tetrafluoromethane and Hexafluoropropylene”. South African Journal of Science 109, no. 9/10 (September 23, 2013): 11. Accessed November 26, 2024. https://sajs.co.za/article/view/4005.