@book { KohrenzundKohsion,
    title = "Kohärenz und Kohäsion",
    author = "Katharina {Hock}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640939985",
    url = "https://www.hausarbeiten.de/document/173781"
}