@book { DieReferenzproblematik,
    title = "Die Referenzproblematik",
    subtitle = "Eine Einführung in die analytische Sprachphilosophie",
    author = "Georg {Dorn}",
    year = "1987",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1075800"
}