TY  - RPRT
TI  - Development of an expert system for assessing trumpeter swan breeding habitat in the Northern Rocky Mountains.
AU  - Richard S. Sojda
AU  - John E. Cornely
AU  - Adele E. Howe
PY  - 2002
UR  - https://pubs.usgs.gov/publication/70159707
ID  - 70159707
ER  -