TY  - RPRT
TI  - Factors affecting detectability of river otters during sign surveys
AU  - Mackenzie R. Jeffress
AU  - Craig P. Paukert
AU  - Brett K. Sandercock
AU  - Philip S. Gipson
PY  - 2011
DO  - 10.1002/jwmg.12
UR  - https://pubs.usgs.gov/publication/70150462
ID  - 70150462
ER  -