@misc{indiciaeff21b5008f6b,
  title = {Monitoring the status of wild sea otter populations: field studies and techniques},
  author = {James L. Bodkin and Brenda E. Ballachey},
  year = {1996},
  url = {https://pubs.usgs.gov/publication/1012908},
  note = {Source identifier: 1012908}
}