@book { TheoretischeGrundlageninderPflege,
    title = "Theoretische Grundlagen in der Pflege",
    author = "Bianca {Konrad}",
    year = "2016",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/342463"
}