@misc{indiciae34699aa733ac,
  title = {Derivation of Nationally Consistent Indices Representing Urban Intensity Within and Across Nine Metropolitan Areas of the Conterminous United States},
  author = {Thomas F. Cuffney and James A. Falcone},
  year = {2009},
  doi = {10.3133/sir20085095},
  url = {https://pubs.usgs.gov/publication/sir20085095},
  note = {Source identifier: sir20085095}
}