Comparative analysis of the mechanochemical hem activation effect on the microstructure and phase transformations of sedimentary apatitesPetkova, Vilma; Mihaylova, Katerina; Serafimova, Ekaterina; Kaljuvee, TiitJournal of chemical technology and metallurgy2025 / p. 63-74 https://doi.org/10.59957/jctm.v60.i1.2025.6 https://www.scopus.com/pages/publications/85215591631?origin=resultslist Induced structural changes within a natural apatite-calcite system via short-time mechanochemical activationPetkova, Vilma; Mihaylova, Katerina; Kaljuvee, Tiit; Piroeva, IskraMaterials chemistry and physics2025 / art. 130435 https://doi.org/10.1016/j.matchemphys.2025.130435 https://www.scopus.com/pages/publications/85215927046?origin=resultslist