@book { FreinenrealenHumanismus,
    title = "Für einen realen Humanismus",
    subtitle = "Festschrift zum 75. Geburtstag von Alfred Schmidt",
    author = "Wolfgang {Jordan} and Michael {Jeske}",
    year = "2006",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101417"
}