TY  - RPRT
TI  - Are there optimal densities for prairie birds?
AU  - S. K. Skagen
AU  - A.A.Y. Adams
PY  - 2010
DO  - 10.1525/cond.2010.090155
UR  - https://pubs.usgs.gov/publication/70034043
ID  - 70034043
ER  -