S. N. Zhumagaliyeva, R. S. Iminova, G. Z. Kairalapova, M. M. Beysebekov, M. K. Beysebekov, and Z. A. Abilov, “Composite Polymer-Clay Hydrogels Based on Bentonite Clay and Acrylates: Synthesis, Characterization and Swelling Capacity”, Eurasian Chem.-Technol. J., vol. 19, no. 3, pp. 279–288, Sep. 2017.