@article{SeppeltMuellerSchroederetal.2009,
  author    = {Ralf Seppelt and Felix Mueller and Boris Schroeder and Martin Volk},
  title     = {Challenges of simulating complex environmental systems at the landscape scale : a controversial dialogue between two cups of espresso},
  doi       = {10.1016/j.ecolmodel.2009.09.009},
  url       = {http://www.sciencedirect.com/science/journal/03043800},
  year      = {2009},
}