@misc{indiciae6f3186ba6525,
  title = {Leaf δ 13 C variability with elevation, slope aspect, and precipitation in the southwest United States},
  author = {Peter K. Van De Water and Steven W. Leavitt and Julio L. Betancourt},
  year = {2002},
  doi = {10.1007/s00442-002-0973-x},
  url = {https://pubs.usgs.gov/publication/70023991},
  note = {Source identifier: 70023991}
}