@book { KognitionenbeiPatientenmitsomatoformenStrungen,
    title = "Kognitionen bei Patienten mit somatoformen Störungen",
    author = "Irene {Schwab}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832441739",
    url = "https://m.diplom.de/document/219794"
}