@book { DergestrteUnterrichtinderGrundschule,
    title = "Der gestörte Unterricht in der Grundschule",
    author = "Natalie {Narosch}",
    year = "2010",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640736553",
    url = "https://www.hausarbeiten.de/document/160231"
}