@article{LopezdeGuerenuKurganovaKlierHaubitzetal.2022,
  author    = {Anna L{\´o}pez de Guere{\~n}u Kurganova and Dennis Tobias Klier and Toni Haubitz and Michael Uwe Kumke},
  title     = {Influence of Gd3+ doping concentration on the properties of Na(Y,Gd)F-4},
  journal   = {Photochemical \& photobiological sciences / European Society for Photobiology},
  series    = {Yb3+, Tm3+ upconverting nanoparticles and their long-term aging behavior},
  volume    = {21},
  number    = {2},
  pages     = {235 -- 245},
  doi       = {10.1007/s43630-021-00161-4},
  year      = {2022},
}