@article{JeltschGroeneveldWisseletal.2005,
  author    = {Florian Jeltsch and J{\"u}rgen Groeneveld and Christian Wissel and W. Wucherer and L. Dimeyeva},
  title     = {Seed dispersal by cattle may cause shrub encroachment of Grewia flava on southern Kalahari rangelands},
  year      = {2005},
}