@book { StrafvollzuganaltenGefangenen,
    title = "Strafvollzug an alten Gefangenen",
    author = "Stephanie {Schwab}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b16676",
    url = "https://www.peterlang.com/document/1058685"
}