@inproceedings{Staubert:2011xG,
  author = "Staubert, Ruediger  and  Klochkov, Dmitry  and  Vasco, Davide  and  Wilms, Joern",
  title = "{Does the neutron star in Her X-1 really show free precession?}",
  doi = "10.22323/1.115.0048",
  booktitle = "Proceedings of 8th INTEGRAL Workshop “The Restless Gamma-ray Universe” {\textemdash} PoS(INTEGRAL 2010)",
  year = 2011,
  volume = "115",
  pages = "048"
}