@book { DerKunsthndleralsIntermedir,
    title = "Der Kunsthändler als Intermediär",
    author = "Katharina {Kurz}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04207-8",
    url = "https://www.peterlang.com/document/1048023"
}