@article{Kindrat:2020,
  author  = "I. Kindrat and B. Padlyak and R. Lisiecki and V. Adamiv",
  title   = "Spectroscopic and luminescent properties of the lithium tetraborate glass co-doped with Tm and Ag",
  journal = "Journal of Luminescence",
  volume  = "Vol. 225",
  pages   = "1--10",
  year    = "2020",
}