@misc{indiciae84367a152328,
  title = {Hartman Testing of X-Ray Telescopes},
  author = {Saha, Timo T. and Biskasch, Michael and Zhang, William W.},
  year = {2013},
  url = {https://ntrs.nasa.gov/citations/20160000791},
  note = {Source identifier: 20160000791}
}