@book { EinwilligungindieHeilbehandlungalterMenschen,
    title = "Einwilligung in die Heilbehandlung alter Menschen",
    author = "Jens-Michael {Kuhlmann}",
    year = "1996",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1083689"
}