@book { StufendesWir,
    title = "Stufen des «Wir»",
    subtitle = "Gemeinschaft als Basis personalen Handelns",
    author = "Guido {Seddone}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107746"
}