@book { DasPrmenstruelleSyndrom,
    title = "Das Prämenstruelle Syndrom",
    subtitle = "Eine empirische Untersuchung des psychosomatischen Zusammenhangs",
    author = "Birgit {Bigga}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832461553",
    url = "https://m.diplom.de/document/221612"
}