@article{PoppVogelBlaumetal.2009,
  author    = {Alexander Popp and Melanie Vogel and Niels Blaum and Florian Jeltsch},
  title     = {Scaling up ecohydrological processes : role of surface water flow in water-limited landscapes},
  doi       = {10.1029/2008jg000910},
  url       = {http://www.agu.org/journals/jg/},
  year      = {2009},
}