@phdthesis{Koerner2004,
  author      = {Michael K{\"o}rner},
  title       = {Die Architektur des Kindergartens im 20. Jahrhundert in Deutschland},
  type        = {doctoralthesis},
  school      = {Bauhaus-Universit{\"a}t Weimar},
  doi       = {10.25643/bauhaus-universitaet.66},
  year        = {2004},
}