@misc{indiciae10228be80947,
  title = {Expert operator's associate: A knowledge based system for spacecraft control},
  author = {Nielsen, Mogens and Grue, Klaus and Lecouat, Francois},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910013473},
  note = {Source identifier: 19910013473}
}