@book { DemeritorisierungderAlterssicherung,
    title = "Demeritorisierung der Alterssicherung",
    author = "Sebastian {Finkler}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13092",
    url = "https://www.peterlang.com/document/1056551"
}