@book { MasseundCharisma,
    title = "Masse und Charisma",
    subtitle = "Soziale Ursachen des politischen und religiösen Fanatismus",
    author = "Michael {Günther}",
    year = "2005",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099385"
}