@article{Frey:2007r6,
  author = "Frey, Sandor  and  Veres, Peter  and  Vida, Krisztian",
  title = "{Comparing the SDSS and VLBI quasar and galaxy positions }",
  doi = "10.22323/1.036.0072",
  journal = "PoS",
  year = 2007,
  volume = "8thEVN",
  pages = "072"
}