@misc{indiciae6ffdb6bbde9a,
  title = {Mapping X-ray heliometer for Orbiting Solar Observatory-8},
  author = {Acton, L. W. and Wolfson, C. J.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19760008172},
  note = {Source identifier: 19760008172}
}