@book { berGottunddieWelt,
    title = "Über Gott und die Welt",
    subtitle = "Religion, Sinn und Werte im Kinder- und Jugendbuch",
    author = "Jürgen {Heumann}",
    year = "2005",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1100037"
}