@misc{indiciae96b28f4dd340,
  title = {SOFIA: The Stratospheric Observatory For Infrared Astronomy},
  author = {Hildebrand, Roger H. and Davidson, Jacqueline A.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910012690},
  note = {Source identifier: 19910012690}
}