@book { DieReflexivittdesBildes,
    title = "Die Reflexivität des Bildes",
    author = "Hans-Dieter {Klein} and Wolfgang {Schild}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097401"
}