TY  - RPRT
TI  - Activity-time budgets of sea otters in California
AU  - James A. Estes
AU  - Karen E. Underwood
AU  - Margit J. Karmann
PY  - 1986
DO  - 10.2307/3800973
UR  - https://pubs.usgs.gov/publication/1007563
ID  - 1007563
ER  -