@misc{indiciae0a8509007c6b,
  title = {Solar X-ray spectroscopy with spatial resolution},
  author = {Acton, L. W. and Catura, R. C. and Joki, E. G.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750051496},
  note = {Source identifier: 19750051496}
}