@article{Padlyak:2012,
  author  = "B. Padlyak and W. Ryba-Romanowski and R. Lisiecki and B. Pieprzyk and A. Drzewiecki and V. Adamiv and J. Burak and I. Teslyuk",
  title   = "Synthesis and optical spectroscopy of the lithium tetraborate glasses, doped with terbium and dysprosium",
  journal = "Optica Applicata",
  volume  = "Vol. 42",
  number  = "no 2",
  pages   = "365--379",
  year    = "2012",
}