@book { MultimedialeKommunikationmittelsVideokonferenzeninderMedizin,
    title = "Multimediale Kommunikation mittels Videokonferenzen in der Medizin",
    author = "Karina {Gräbig}",
    year = "1999",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832414030",
    url = "https://m.diplom.de/document/217263"
}