@book { DieBewertungvonGesundheit,
    title = "Die Bewertung von Gesundheit",
    subtitle = "Prioritäten, QALYs und Prospect Theory",
    author = "Michael {Happich}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1096284"
}