@article{Padlyak:1999,
  author  = "B. Padlyak and O. Bordun and P. Buchynskii",
  title   = "Intrinsic luminescence of the undoped glasses of (CaO-Ga2O3-GeO2) system",
  journal = "Acta Physica Polonica A",
  volume  = "Vol. 95",
  number  = "no 6",
  pages   = "921--929",
  year    = "1999",
}