@misc{indiciaee68853897155,
  title = {Status of Pacific Black Brant Branta bernicla nigricans on Wrangel Island, Russian Federation},
  author = {David H. Ward and Dirk V. Derksen and Sergei Kharitonov and Mikhail Stishov and Vasily V. Baranyuk},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/70185346},
  note = {Source identifier: 70185346}
}