@phdthesis{Zimmermann2009,
  author    = {Zimmermann, Julia},
  title     = {Population ecology of a dominant perennial grass : recruitment, growth and mortality in semi-arid savanna},
  series = {PhD dissertation / Helmholtz Centre for Environmental Research, UFZ},
  volume    = {2009,4},
  journal   = {PhD dissertation / Helmholtz Centre for Environmental Research, UFZ},
  publisher = {UFZ},
  address   = {Leipzig},
  pages     = {VI, 97 S.},
  year      = {2009},
  language  = {en}
}