TY  - RPRT
TI  - Book review: Gyrfalcons and Ptarmigan in a changing world
AU  - Charles J. Henny
PY  - 2013
DO  - 10.3356/jrr-book_review.1
UR  - https://pubs.usgs.gov/publication/70044628
ID  - 70044628
ER  -