@book { Bioethik,
    title = "Bioethik",
    subtitle = "Ethische Folgen des Biozentrismus",
    author = "Frank {Jansen}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832450113",
    url = "https://m.diplom.de/document/220570"
}