@book { Eos,
    title = "Eos",
    subtitle = "Untersuchungen zum dios-Begriff 3",
    author = "Michael {Zuzanek}",
    year = "2005",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097526"
}