@book { DieexistentielleEmprung,
    title = "Die existentielle Empörung",
    subtitle = "Max Stirner zwischen Philosophie und Anarchie",
    author = "Giorgio {Penzo}",
    year = "2006",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101444"
}