TY  - RPRT
TI  - Spatio-temporal patterns of ptarmigan occupancy relative to shrub cover in the Arctic
AU  - Joel A. Schmutz
PY  - 2014
DO  - 10.1007/s00300-014-1504-z
UR  - https://pubs.usgs.gov/publication/70126600
ID  - 70126600
ER  -