@incollection{Schmidt2021,
  author    = {Holger Schmidt},
  title     = {Empirisches Wissen zu den Besucher*innen},
  series = {Handbuch Offene Kinder- und Jugendarbeit},
  publisher = {Springer VS},
  address   = {Wiesbaden},
  pages     = {295 -- 306},
  year      = {2021},
  language  = {de}
}