Bakonyi, P., N. Nemestóthy, J. Ramirez, G. Ruiz-Filippi, and K. Bélafi-Bakó. 2011. “ Feasibility Study of Gas Separation Membranes for Biohydrogen Separation ”. Hungarian Journal of Industry and Chemistry 39 (3):331-33. https://doi.org/10.1515/443.