@misc{indiciae475c05fb283b,
  title = {Alaska High Altitude Photography Program},
  author = {Petersen, Earl V. and Knutson, Martin A. and Ekstrand, Robert E.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19880026833},
  note = {Source identifier: 19880026833}
}