@phdthesis{Naaf2011,
  author      = {Tobias Naaf},
  title       = {Floristic homogenization and impoverishment : herb layer changes over two decades in deciduous forest patches of the Weser-Elbe region (NW Germany)},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Potsdam},
  year        = {2011},
}