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Methodik

Blum, Werner
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@article{urn:nbn:de:hebis:34-2009060327961,
  author    ={Blum, Werner},
  title    ={Methodik},
  copyright  ={https://rightsstatements.org/page/InC/1.0/},
  language ={de},
  year   ={1980}
}