TY  - RPRT
TI  - Knowledge-based gis approaches: A prototype expert system for wetland resource management
AU  - Wei Ji
AU  - James B. Johnston
AU  - Marcia McNiff
AU  - Loyd C. Mitchell
PY  - 1992
UR  - https://pubs.usgs.gov/publication/70208078
ID  - 70208078
ER  -