@misc{indiciae19eb81e5e967,
  title = {Global GIS database. Digital atlas of North Eurasia},
  author = {U.S. Geological Survey},
  year = {2003},
  doi = {10.3133/ds62e},
  url = {https://pubs.usgs.gov/publication/ds62E},
  note = {Source identifier: ds62E}
}