@book { CautioBarbariAufnachgypten,
    title = "Cautio Barbari: Auf nach Ägypten",
    author = "Gunnar {Friedrich}",
    year = "2019",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1318467"
}