@book { TodanderKsteZweiOstfrieslandkrimis,
    title = "Tod an der Küste: Zwei Ostfrieslandkrimis",
    author = "Anja {Urban}",
    year = "2023",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1436528"
}