Yemelyanova, V., B. Dosumova, U. Dzhatkanbaeva, E. Shakiyev, H. Kurokava, Z. Kairbekov, D. Muhitova, T. Shakiyeva, and Z. Myltykbaeva. “The Microspheric Catalysts of Sodium Sulphite Low-Temperature Oxidation by Oxygen in Water Solutions”. Chemical Bulletin of Kazakh National University, Vol. 71, no. 3, Sept. 2013, pp. 27-35, doi:https://doi.org/10.15328/chemb_2013_327-35.