TY  - RPRT
TI  - Allowable levels of take for the trade in Nearctic songbirds
AU  - Fred A. Johnson
AU  - Matthew A.H. Walters
AU  - G. Scott Boomer
PY  - 2012
DO  - 10.1890/11-1164.1
UR  - https://pubs.usgs.gov/publication/70045143
ID  - 70045143
ER  -