@misc{indiciae6c297eecf1b1,
  title = {Initial flight qualification and operational maintenance of X-29A flight software},
  author = {Earls, Michael R. and Sitz, Joel R.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890065304},
  note = {Source identifier: 19890065304}
}