@misc{indiciae033647442208,
  title = {KBGIS-II: A knowledge-based geographic information system},
  author = {Smith, Terence and Peuquet, Donna and Menon, Sudhakar and Agarwal, Pankaj},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19880008175},
  note = {Source identifier: 19880008175}
}