@book { StartmitHindernissen,
    title = "Start mit Hindernissen",
    author = "Gabriele {Somaggio}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13552",
    url = "https://www.peterlang.com/document/1068155"
}