@book { WennGottzurFreundinwird,
    title = "Wenn Gott zur Freundin wird ...",
    subtitle = "Freundinnenschaft - der Weg zum neuen Himmel und zur neuen Erde",
    author = "Hildegard {Wustmans}",
    year = "1993",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1081648"
}