@techreport{Helbig2015Bunde-48425,
  year={2015},
  series={WZB Discussion Paper},
  title={Bundesländerunterschiede bei der Studienaufnahme},
  number={2015-001},
  url={http://bibliothek.wzb.eu/pdf/2015/p15-001.pdf},
  author={Helbig, Marcel and Jähnen, Stefanie and Marczuk, Anna}
}

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