@misc{indiciae25386f27d3ac,
  title = {Combining factual and heuristic knowledge in knowledge acquisition},
  author = {Gomez, Fernando and Hull, Richard and Karr, Clark and Hosken, Bruce and Verhagen, William},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920014129},
  note = {Source identifier: 19920014129}
}