@misc{indiciae46fede929931,
  title = {Large space structure experiments for AAP. Volume 4 - Focusing X-ray telescope a large space structure for X-ray astronomy Final report, 15 Sep. 1966 - 15 Sep. 1967},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680020067},
  note = {Source identifier: 19680020067}
}