@article{5922,
  author = {M. Nowak and B. Vaughan},
  title = {Phase lags and coherence of x-ray variability in black hole candidates},
  year = {1996},
  journal = {Monthly Notices of the Royal Astronomical Society},
  volume = {280},
  pages = {227\textendash234},
  url = {http://mnras.oxfordjournals.org/content/280/1/227.full.pdf},
  note = {JILA Pub. 5733},
}