@article{Witkowska:2008,
  author  = "A. Witkowska and B. Padlyak and J. Rybicki",
  title   = "An EXAFS study of the local structure of rare-earth luminescence centres in the 3CaO?Ga2O3?3GeO2 glass",
  journal = "Optical Materials",
  volume  = "Vol. 30",
  number  = "no 5",
  pages   = "699--702",
  year    = "2008",
}