@misc{indiciaef779270b1d6b,
  title = {Bent crystal spectrometer for solar X-ray spectroscopy},
  author = {Rapley, C. G. and Culhane, J. L. and Acton, L. W. and Catura, R. C. and Joki, E. G. and Bakke, J. C.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770067328},
  note = {Source identifier: 19770067328}
}