TY  - RPRT
TI  - Estimation of walrus populations on sea ice with infrared imagery and aerial photography
AU  - Mark S. Udevitz
AU  - D. M. Burn
AU  - M.A. Webber
PY  - 2007
DO  - 10.1111/j.1748-7692.2007.00169.x
UR  - https://pubs.usgs.gov/publication/70033756
ID  - 70033756
ER  -