TY  - RPRT
TI  - Comparison of methods used to estimate numbers of walruses on sea ice
AU  - Mark S. Udevitz
AU  - James R. Gilbert
AU  - Gennadii A. Fedoseev
PY  - 2006
DO  - 10.1111/j.1748-7692.2001.tb01007.x
UR  - https://pubs.usgs.gov/publication/70184368
ID  - 70184368
ER  -