@misc{indiciae864af9406583,
  title = {Activity-time budgets of sea otters in California},
  author = {James A. Estes and Karen E. Underwood and Margit J. Karmann},
  year = {1986},
  doi = {10.2307/3800973},
  url = {https://pubs.usgs.gov/publication/1007563},
  note = {Source identifier: 1007563}
}