@book { HandelskriegzurSee,
    title = "Handelskrieg zur See",
    author = "Stephan {König}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b14283",
    url = "https://www.peterlang.com/document/1110699"
}