@misc{indiciaeaaec565de28d,
  title = {A program of high angular resolution studies of celestial X-ray sources},
  author = {Giacconi, R. and Gorenstein, P. and Gursky, H. and Manko, H. and Waters, J. R.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670013451},
  note = {Source identifier: 19670013451}
}