@book { TheorieundPraxisderKreativittimReligionsunterricht,
    title = "Theorie und Praxis der Kreativität im Religionsunterricht",
    subtitle = "Kreative Zugänge zur Bibel in Hauptschulen",
    author = "Klaus {Petzold}",
    year = "1990",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1077623"
}