@article{BoehmWellsKalko2011,
  author    = {Stefan M. B{\"o}hm and Konstans L. Wells and Elisabeth K. V. Kalko},
  title     = {Top-down control of herbivory by birds and bats in the canopy of temperate broad-leaved oaks (Quercus robur)},
  journal   = {PLoS One},
  volume    = {6},
  number    = {(4): e17857},
  doi       = {10.1371/journal.pone.0017857},
  year      = {2011},
}