TY  - RPRT
TI  - Assessing relative abundance and reproductive success of shrubsteppe raptors
AU  - Robert N. Lehman
AU  - L.B. Carpenter
AU  - Karen Steenhof
AU  - Michael N. Kochert
PY  - 1998
UR  - https://pubs.usgs.gov/publication/1015826
ID  - 1015826
ER  -