@article{Turler:2009ue,
  author = "Turler, Marc  and  Soldi, Simona  and  Paltani, Stéphane  and  Courvoisier, Thierry J.-L.",
  title = "{Longterm multi wavelength variability of 3C 273}",
  doi = "10.22323/1.063.0069",
  journal = "PoS",
  year = 2009,
  volume = "BLAZARS2008",
  pages = "069"
}