@misc{indiciaea6b8c93aa39a,
  title = {Knowledge-based systems and NASA's software support environment},
  author = {Dugan, Tim and Carmody, Cora and Lennington, Kent and Nelson, Bob},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900017980},
  note = {Source identifier: 19900017980}
}