Comments on paper: Veronika Silliková, Jana Jakubčinová, Miroslav Horník, Igor Gomola, Silvia Dulanská, 'Determination of caesium-137 in water samples using modified carbon microfibers', J. Radioanal. Nuclear Chem. (2022) 331:1275–1284. https://doi.org/10.1007/s10967-022–08212 - Dušan Berek (Journal of Radioanalytical and Nuclear Chemistry, 2022)