@book { SubkulturenimGefngnis,
    title = "Subkulturen im Gefängnis",
    author = "Stefanie {Meyer} and Stefanie {Vosseler}",
    year = "2003",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638172912",
    url = "https://www.hausarbeiten.de/document/11023"
}