Kalinichenko, K., G. Nicovskaya, and P. Kosorukov. “Transformation of Minerals of a Gellike Sludge Solid After the Municipal Waste Water Biological Treatment under the Bioextraction of Heavy Metals”. Reports of the National Academy of Sciences of Ukraine, no. 3, Apr. 2024, pp. 78-83, doi:10.15407/dopovidi2019.03.078.