@book { KircheheuteStundenentwurf,
    title = "Kirche heute - Stundenentwurf",
    author = "Ulrike {Briehm}",
    year = "2014",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/272513"
}