Budzuliak, I., Yablon, L., Kotsiubynskyi, V., Budzuliak, I., Ilnytskyi, R., Hlubitskyi, A., & Ilnytskyi, N. (2024). Doping of porous activated carbon with Er, a metal with a high electronic states density. Physics and Chemistry of Solid State, 25(4), 782–786. https://doi.org/10.15330/pcss.25.4.782-786