TY  - RPRT
TI  - Use of wetland habitats by birds in the National Petroleum Reserve-Alaska
AU  - Dirk V. Derksen
AU  - Thomas C. Rothe
AU  - William D. Eldridge
PY  - 1981
UR  - https://pubs.usgs.gov/publication/rp141
ID  - rp141
ER  -