@phdthesis{Koebel2012,
  author      = {Walter Klaus K{\"o}bel},
  title       = {Die Rechtsform der Winterhilfswerkes},
  type        = {doctoralthesis},
  pages       = {104},
  school      = {Universit{\"a}tsbibliothek Johann Christian Senckenberg},
  year        = {2012},
}