@misc{indiciaecee908a25edf,
  title = {A study of knowledge-based systems for the Space Station},
  author = {Friedland, Peter and Swietek, Gregg and Bullock, Bruce},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890037991},
  note = {Source identifier: 19890037991}
}