@article{1775,
  author = {Rosalba Perna and E. Bozzo and L. Stella},
  title = {On the Spin-up/Spin-down Transitions in Accreting X-Ray Binaries},
  year = {2006},
  journal = {The Astrophysical Journal},
  volume = {639},
  pages = {363-376},
  month = {03/2006},
  issn = {0004-637X},
  doi = {10.1086/499227},
}