@misc{indiciae9e0b2faad2e4,
  title = {Temporal change in fragmentation of continental US forests},
  author = {James D. Wickham and K.H. Riitters and Timothy G. Wade and Collin G. Homer},
  year = {2008},
  doi = {10.1007/s10980-008-9258-z},
  url = {https://pubs.usgs.gov/publication/70000044},
  note = {Source identifier: 70000044}
}