@book { SexualittundsexuelleStrungen,
    title = "Sexualität und sexuelle Störungen",
    subtitle = "Eine Literaturarbeit",
    author = "Oliver {Marschollek}",
    year = "1997",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832402280",
    url = "https://m.diplom.de/document/216174"
}