@book { DieWortartVerbinderdeutschenGrammatik,
    title = "Die Wortart Verb in der deutschen Grammatik",
    author = "Sabine {Lehmann}",
    year = "2004",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638301527",
    url = "https://www.hausarbeiten.de/document/28337"
}