@book { KrankheitundSterben,
    title = "Krankheit und Sterben",
    author = "Michael {Fieger} and Marcel {Weder}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0449-3",
    url = "https://www.peterlang.com/document/1052769"
}