@incollection{AlbusArnoldKotthausetal.2022,
  author    = {Albus, Jannis and Arnold, Patrick and Kotthaus, Jochem and Schr{\"o}der, Manuel},
  title     = {Mittelst{\"u}rmer oder Ersatzbank},
  series = {Soziale Arbeit im Fußball : Theorie und Praxis sozialp{\"a}dagogischer Fanprojekte},
  publisher = {Beltz Juventa},
  address   = {Weinheim ; Basel},
  pages     = {11 -- 22},
  year      = {2022},
  language  = {de}
}
@book{OPUS4-3153,
  title     = {Die Außenpolitik der T{\"u}rkei im Mittleren Osten},
  editor    = {Heinrich, Christian Johannes and Gieler, Wolfgang},
  publisher = {Springer VS},
  address   = {Wiesbaden},
  isbn      = {978-3-658-34367-5},
  pages     = {XI, 394},
  year      = {2022},
  language  = {de}
}
@incollection{M{\"u}ller2022,
  author    = {M{\"u}ller, Jens},
  title     = {A contribution to the history of graphic design},
  series = {F{\´e}lix Beltr{\´a}n - visual intelligence: graphic design in a social sense},
  publisher = {Optik Books},
  address   = {Dortmund},
  pages     = {8 -- 9},
  year      = {2022},
  language  = {en}
}
@book{OPUS4-3124,
  title     = {Handbuch Eltern in den Hilfen zur Erziehung},
  editor    = {Faltermeier, Josef and Knuth, Nicole and Stork, Remi},
  publisher = {Beltz Juventa},
  address   = {Weinheim ; Basel},
  isbn      = {978-3-7799-6760-6},
  pages     = {401},
  year      = {2022},
  language  = {de}
}
@book{OPUS4-3117,
  title     = {Collecting graphic design},
  editor    = {M{\"u}ller, Jens},
  publisher = {Fachhochschule Dortmund, Fachbereich Design},
  address   = {Dortmund},
  isbn      = {978-3-9822542-7},
  pages     = {151},
  year      = {2022},
  language  = {und}
}