@book { HerzromanDoppelband1007,
    title = "Herzroman Doppelband 1007",
    author = "Earl {Warren}",
    year = "2023",
    publisher = "Uksak E-Books",
    address = "Lengerich, Deutschland",
    url = "https://uksakebooks.grin.com/document/1392372"
}