TY  - RPRT
TI  - Avian trophic relationships and wetland acidity
AU  - D.K. McNicol
AU  - B.E. Bendell
AU  - D.G. McAuley
PY  - 1987
UR  - https://pubs.usgs.gov/publication/5222301
ID  - 5222301
ER  -