@misc{indiciaebf5d59e82e6f,
  title = {Knowledge-based gis approaches: A prototype expert system for wetland resource management},
  author = {Wei Ji and James B. Johnston and Marcia McNiff and Loyd C. Mitchell},
  year = {1992},
  url = {https://pubs.usgs.gov/publication/70208078},
  note = {Source identifier: 70208078}
}