@book { FieselerFi103V1,
    title = "Fieseler Fi 103 / V1",
    author = "Jürgen {Prommersberger}",
    year = "2021",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1024849"
}