@misc{indiciaecaae78e5e653,
  title = {Direct Observations of Excess Solar Absorption by Clouds},
  author = {Pilewskie, Peter and Valero, Francisco P. J.},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/19970005325},
  note = {Source identifier: 19970005325}
}