Kovalenko, Vadym, and Valerii Kotok. 2018. “‘The Popcorn effect’: Obtaining of the Highly Active Ultrafine Nickel Hydroxide by Microwave Treatment of Wet Precipitate”. Eastern-European Journal of Enterprise Technologies 5 (6 (95):12-20. https://doi.org/10.15587/1729-4061.2018.143126.