@book { DarstellungdesLernproblemsTrennbareVerbenfrdenDaFUnterricht,
    title = "Darstellung des Lernproblems 'Trennbare Verben' für den DaF-Unterricht",
    author = "Justyna {Wieczorek-Hecker}",
    year = "2006",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638454179",
    url = "https://www.hausarbeiten.de/document/48825"
}