@misc{indiciae83c280ff5382,
  title = {Knowledge-based GIS: An expert system approach for managing wetlands},
  author = {Wei Ji and James B. Johnston and Marcia McNiff and Loyd C. Mitchell},
  year = {1992},
  url = {https://pubs.usgs.gov/publication/70204803},
  note = {Source identifier: 70204803}
}