@book { Entscheidungsphnomene,
    title = "Entscheidungsphänomene",
    author = "Achim {Pfüller}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832471590",
    url = "https://m.diplom.de/document/222467"
}