@book { MoralityBehindBars,
    title = "Morality Behind Bars",
    author = "Kay {Hemmerling}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04672-4",
    url = "https://www.peterlang.com/document/1045779"
}