@book { AmerikaslangerArm,
    title = "Amerikas langer Arm",
    author = "Lothar {Burchardt}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b11832",
    url = "https://www.peterlang.com/document/1110163"
}