@misc{indiciaec885efadfd07,
  title = {A logical model of cooperating rule-based systems},
  author = {Bailin, Sidney C. and Moore, John M. and Hilberg, Robert H. and Murphy, Elizabeth D. and Bahder, Shari A.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900030990},
  note = {Source identifier: 19900030990}
}