@phdthesis{Kristen2009,
  author      = {Iris Kristen},
  title       = {Investigations on rainfall variability during the late Quaternary based on geochemical analyses of lake sediments from tropical and subtropical southern Africa},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Potsdam},
  year        = {2009},
}