Kovalenko, V., and V. Kotok. “Influence of the Carbonate Ion on Characteristics of Electrochemically Synthesized Layered (α+β) Nickel Hydroxide”. Eastern-European Journal of Enterprise Technologies, vol. 1, no. 6 (97), Feb. 2019, pp. 40-46, doi:10.15587/1729-4061.2019.155738.