@book { LeidenschaftundOrdnung,
    title = "Leidenschaft und Ordnung",
    author = "Wolfgang {Wittkowski}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04981-7",
    url = "https://www.peterlang.com/document/1048937"
}