@book { StufenzurInformationsgesellschaft,
    title = "Stufen zur Informationsgesellschaft",
    author = "Christiane {Floyd} and Christian {Fuchs} and Wolfgang {Hofkirchner}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093120"
}