@misc{indiciae095f92680eb5,
  title = {Multilayer X-ray imaging systems},
  author = {Shealy, David L. and Gabardi, David R. and Hoover, Richard B.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19880025490},
  note = {Source identifier: 19880025490}
}