@article{MuellerAlbrecht2019,
  author    = {Christoph E. M{\"u}ller and Maria Albrecht},
  title     = {Crowdsourcing in der Evaluationsforschung: Neue M{\"o}glichkeiten f{\"u}r die Erhebung von Daten},
  series   = {Zeitschrift f{\"u}r Evaluation},
  volume    = {18},
  number    = {1},
  publisher = {Waxmann},
  address   = {M{\"u}nster},
  issn      = {1619-5515},
  pages     = {134 -- 139},
  year      = {2019},
  abstract  = {.},
  language  = {de}
}