@book { AktionundKontemplationinderAntike,
    title = "Aktion und Kontemplation in der Antike",
    author = "Wolfgang {Vogl}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093763"
}