@article{TreydteHeitkoenigLudwig2009,
  author    = {Anna C. Treydte and Ignas M. A. Heitk{\"o}nig and Fulco Ludwig},
  title     = {Modelling ungulate dependence on higher quality forage under large trees in African savannahs},
  doi       = {10.1016/j.baae.2008.03.003},
  url       = {http://www.sciencedirect.com/science/journal/14391791},
  year      = {2009},
}