@book { UtopienZukunftsvorstellungenGedankenexperimente,
    title = "Utopien, Zukunftsvorstellungen, Gedankenexperimente",
    author = "Klaus {Geus}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00761-9",
    url = "https://www.peterlang.com/document/1044392"
}