@misc{indiciae34c958cae11e,
  title = {CLIPS enhanced with objects, backward chaining and explanation facilities},
  author = {Aldrobi, M. and Anastasiadis, S. and Khalife, B. and Kontogianis, K and Demori, R.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19960002929},
  note = {Source identifier: 19960002929}
}