@misc{indiciae5ce55879c4d7,
  title = {A simulation engine: Combining an expert system with a simulation language},
  author = {Spiegel, James R. and Lavallee, David B.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880020974},
  note = {Source identifier: 19880020974}
}