@book { Resilienz,
    title = "Resilienz",
    author = "Ulf {Hahne} and Harald {Kegler}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06657-9",
    url = "https://www.peterlang.com/document/1050092"
}