@book { DasVerblasseneinesMakels,
    title = "Das Verblassen eines Makels",
    author = "Bernhard {Klose}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03581-0",
    url = "https://www.peterlang.com/document/1046527"
}