@misc{indiciaeb63100b5e10e,
  title = {Evaluation of airborne videography for enumerating Pacific Walruses (Odobenus rosmarus divergens) on sea-ice haulouts},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/70126189},
  note = {Source identifier: 70126189}
}