@misc{indiciae27c672dabf76,
  title = {Use of a helicopter to capture flighted cranes},
  author = {D. H. Ellis and D. Hjertaas and B.W. Johns and R.P. Urbanek},
  year = {1998},
  url = {https://pubs.usgs.gov/publication/5223645},
  note = {Source identifier: 5223645}
}