@misc{indiciaee547926aec18,
  title = {Normal-Incidence Soft-X-Ray Mirror},
  author = {Underwood, J. H. and Barbee, T. W., Jr.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19830000145},
  note = {Source identifier: 19830000145}
}