@misc{indiciae7770e71b3bbd,
  title = {Airborne tracking sunphotometer},
  author = {Matsumoto, Tak and Russell, Philip and Mina, Cesar and Van Ark, William and Banta, Victor},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870062126},
  note = {Source identifier: 19870062126}
}