@book { Grausamundlieblich,
    title = "Grausam und lieblich",
    author = "Gisèle S. {Mbamu}",
    year = "2024",
    publisher = "Gisèle S. Mbamu",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1473099"
}