@book { FRONTEX,
    title = "FRONTEX",
    author = "Stephanie {Deimel}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02847-8",
    url = "https://www.peterlang.com/document/1046869"
}