@article{LaSorteButchartJetzetal.2014,
  author    = {Frank A. La Sorte and Stuart H. M. Butchart and Walter Jetz and Katrin B{\"o}hning-Gaese},
  title     = {Range-wide latitudinal and elevational temperature gradients for the world's terrestrial birds : implications under global climate change},
  journal   = {PLoS One},
  volume    = {9},
  number    = {(5):e98361},
  doi       = {10.1371/journal.pone.0098361},
  year      = {2014},
}