@book { HirntodWannistderMenschtot,
    title = "Hirntod - Wann ist der Mensch tot?",
    author = "Alexander {Loos}",
    year = "2004",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638283687",
    url = "https://www.hausarbeiten.de/document/25855"
}