TY  - RPRT
TI  - Mapping polar bear maternal denning habitat in the National Petroleum Reserve -- Alaska with an IfSAR digital terrain model
AU  - George M. Durner
AU  - Kristin S. Simac
AU  - Steven C. Amstrup
PY  - 2013
DO  - 10.14430/arctic4291
UR  - https://pubs.usgs.gov/publication/70045517
ID  - 70045517
ER  -