@misc{indiciaeb657721e4595,
  title = {Geographical and climatic limits of needle types of one- and two-needled pinyon pines},
  author = {K.L. Cole and J. Fisher and S.T. Arundel and J. Cannella and S. Swift},
  year = {2007},
  doi = {10.1111/j.1365-2699.2007.01786.x},
  url = {https://pubs.usgs.gov/publication/70033486},
  note = {Source identifier: 70033486}
}