TY  - RPRT
TI  - Adaptations to tidal marshes in breeding populations of the swamp sparrow
AU  - R. Greenberg
AU  - Sam Droege
PY  - 1990
DO  - 10.2307/1368236
UR  - https://pubs.usgs.gov/publication/5223413
ID  - 5223413
ER  -