@misc{indiciaecf0e1d65a7b9,
  title = {Optics for X-ray astronomy},
  author = {Catura, R. C. and Joki, E. G. and Vieira, J. R. and Brookover, W. J.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19880025491},
  note = {Source identifier: 19880025491}
}