@book { OmadealtOpaauch,
    title = "Oma dealt, Opa auch",
    subtitle = "Roman für wilde Alte",
    author = "Edith {Luttner}",
    year = "2023",
    publisher = "Omnino Verlag",
    address = "Berlin, Deutschland",
    url = "https://shop.omnino-verlag.de/document/1418335"
}