@article{Zacs:2011W7,
  author = "Zacs, Laimons  and  Barzdis, Arturs  and  Sandars, Martins  and  Matrozis, Elvijs",
  title = "{Niobium in the spectra of metal-poor stars}",
  doi = "10.22323/1.100.0287",
  journal = "PoS",
  year = 2011,
  volume = "NIC XI",
  pages = "287"
}