@article{Rothschild:2015Kd,
  author = "Rothschild, Richard E.  and  Hemphill, Paul",
  title = "{The cyclotron line from 4U 1538-522 with RXTE}",
  doi = "10.22323/1.228.0025",
  journal = "PoS",
  year = 2015,
  volume = "Integral2014",
  pages = "025"
}