@book { Einzigundallein,
    title = "Einzig und allein",
    author = "Andrea {Bugge}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02720-4",
    url = "https://www.peterlang.com/document/1046996"
}