@article{TewsBlaumJeltsch2004,
  author    = {Tews, J{\"o}rg and Blaum, Niels and Jeltsch, Florian},
  title     = {Structural and animal species diversity in arid and semi-arid savannas of the southern Kalahari},
  year      = {2004},
  language  = {en}
}