@misc{indiciaec1b5ca9fa267,
  title = {Remarkable saker falcon ( Falco cherrug ) breeding records for Mongolia},
  author = {David H. Ellis and Merlin H. Ellis and Pu Tsengeg},
  year = {1997},
  url = {https://pubs.usgs.gov/publication/5223382},
  note = {Source identifier: 5223382}
}