@misc{indiciaee87263bd7972,
  title = {The 1996 Subsonic Aircraft: Contrail and Cloud Effects Special Study},
  author = {Toon, Owen B. and Condon, Estelle P.},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/20020034465},
  note = {Source identifier: 20020034465}
}