@misc{indiciaee866ba87ea80,
  title = {Solar X-ray photography with multiplex pin-hole camera},
  author = {Blake, R. L. and Burek, A. J. and Fenimore, E. and Puetter, R.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740046517},
  note = {Source identifier: 19740046517}
}