@misc{indiciae3fd358d9f7b5,
  title = {Coronal eclipse spectrographs},
  author = {Curtis, G. W. and Dunn, R. B. and Orrall, F. Q.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19760066654},
  note = {Source identifier: 19760066654}
}