@book { ReligioninPublicSchools,
    title = "Religion in Public Schools",
    author = "Simone {Hummert}",
    year = "2005",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638420808",
    url = "https://www.hausarbeiten.de/document/44491"
}