@book { GleannComhannGefangenimTalderTrnen,
    title = "Gleann Comhann - Gefangen im Tal der Tränen",
    author = "Daniela {Vogel}",
    year = "2021",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1099508"
}