Zaulychnyy, Ya. V., Y. V. Yavorskyi, Gun’ko V. М., V. I. Zarko, V. Ya. lkiv, Karpetz М. V., and Kotsyubynsky V. О. “Mechanical Activation of Mixtures SiO2 γ-Fe2O3 and Its Impact on the Distribution of Valence Electrons”. Physics and Chemistry of Solid State 16, no. 1 (March 15, 2015): 55–61. Accessed May 4, 2024. https://scijournals.pnu.edu.ua/index.php/pcss/article/view/1709.