@article{Dereń:2016,
  author  = "P. Dereń and D. Sztolberg and B. Brzostowski and B. Bondzior",
  title   = "Spectroscopic properties and Judd-Ofelt analysis of LaAlO3 monocrystal doped with Tm3+ ions",
  journal = "Journal of Luminescence",
  volume  = "Vol. 178",
  pages   = "400--406",
  year    = "2016",
}