@misc{indiciaeaddf31d60e31,
  title = {Promoting wildness in sandhill cranes conditioned to follow an ultralight aircraft},
  author = {Joseph W. Duff and William A. Lishman and D. A. Clark and G.F. Gee and D.T. Sprague and D. H. Ellis},
  year = {2001},
  url = {https://pubs.usgs.gov/publication/5211133},
  note = {Source identifier: 5211133}
}