@phdthesis{Schimmelmann1993,
  author      = {Martina Schimmelmann},
  title       = {Das oberfl{\"a}chennahe Grundwasser in der Unteren Havelniederung im Raum G{\"u}lpe},
  type        = {doctoralthesis},
  pages       = {149 Bl. : Ill. + 1 Beil.},
  year        = {1993},
}