@misc{indiciaed3bcccf2c93f,
  title = {Chapter 7: Sun Photometers},
  author = {Carlos Toledano and Victoria E Cachorro and David Mateos and Roberto Román and Ramiro González and Alexander Smirnov and Julian Gröbner and Stelios Kazadzis and Natalia Kouremeti},
  year = {2022},
  url = {https://ntrs.nasa.gov/citations/20230003298},
  note = {Source identifier: 20230003298}
}