@book { HerausforderungPluralismus,
    title = "Herausforderung Pluralismus",
    subtitle = "Festschrift für Hans Jörg Sandkühler",
    author = "Martina {Plümacher} and Volker {Schürmann} and Silja {Freudenberger}",
    year = "2000",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1089801"
}