@book { MemoriaIntellectusVoluntas,
    title = "Memoria – Intellectus – Voluntas",
    subtitle = "Festschrift für Erwin Schadel",
    author = "Christian {Schäfer} and Uwe {Voigt}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107801"
}