@book { DieZulssigkeitderSectioaufWunsch,
    title = "Die Zulässigkeit der «Sectio» auf Wunsch",
    author = "Nora {Markus}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101306"
}