Tungatarova, S., and T. Baizhumanova. 2011. “Pt–Ru Catalysts over Cellular Block Carriers for Selective Catalytic Oxidation and Vapor–oxygen Conversion of Methane”. Chemical Bulletin of Kazakh National University 61 (1), 112-17. https://bulletin.chemistry.kz/index.php/kaznu/article/view/862.