TY  - RPRT
TI  - Estimation and correction of visibility bias in aerial surveys of wintering ducks
AU  - A.T. Pearse
AU  - P.D. Gerard
AU  - S.J. Dinsmore
AU  - R.M. Kaminski
AU  - K. J. Reinecke
PY  - 2008
UR  - https://pubs.usgs.gov/publication/5224859
ID  - 5224859
ER  -