@misc{indiciaedebb5ed62743,
  title = {A spatial cluster analysis of tractor overturns in Kentucky from 1960 to 2002},
  author = {D.M. Saman and H.P. Cole and A. Odoi and M.L. Myers and D.I. Carey and S.C. Westneat},
  year = {2012},
  doi = {10.1371/journal.pone.0030532},
  url = {https://pubs.usgs.gov/publication/70032434},
  note = {Source identifier: 70032434}
}