@misc{indiciae5916b9a8f773,
  title = {Shot model parameters for Cygnus X-1 through phase portrait fitting},
  author = {Lochner, James C. and Swank, J. H. and Szymkowiak, A. E.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910061308},
  note = {Source identifier: 19910061308}
}