@misc{indiciaee8efd70178c8,
  title = {Updating the 2001 National Land Cover Database land cover classification to 2006 by using Landsat imagery change detection methods},
  author = {George Xian and Collin G. Homer and Joyce Fry},
  year = {2009},
  doi = {10.1016/j.rse.2009.02.004},
  url = {https://pubs.usgs.gov/publication/70034641},
  note = {Source identifier: 70034641}
}