@misc{indiciaecd4ca9aac1f4,
  title = {Asronomical refraction: Computational methods for all zenith angles},
  author = {Auer, L. H. and Standish, E. M.},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20060040430},
  note = {Source identifier: 20060040430}
}