Kontsur, A., Sysa, L., & Shevchuk, L. (2019). Use of Microwaves to Activate Bentonite in the Processes of Sorption of Nickel Ions from Concentrated Aqueous Solutions. Physics and Chemistry of Solid State, 19(2), 191–196. https://doi.org/10.15330/pcss.19.2.191-196