Hosseinifard M., Jurga N., Brandmeier J. C., Farka Z., Hlaváček A., Gorris H. H., Grzyb T., Ekner-Grzyb A. E. 2024. Influence of surface modification and size of lanthanide-doped upconverting nanoparticles on wheat seedlings. Chemosphere. 347: 1-11. doi:10.1016/j.chemosphere.2023.140629