@book { ErbschaftundSchenkungsteuer,
    title = "Erbschaft- und Schenkungsteuer",
    author = "Martina {Corsten} and Sabrina {Kummer}",
    year = "2023",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1425782"
}