@misc{indiciae6187a425a5e7,
  title = {Palynological evidence for the historic expansion of juniper and desert shrubs in Arizona, U.S.A.},
  author = {O.K. Davis and R. M. Turner},
  year = {1986},
  doi = {10.1016/0034-6667(86)90026-6},
  url = {https://pubs.usgs.gov/publication/70014541},
  note = {Source identifier: 70014541}
}